An exterior angle at the base of an isosceles triangle measures 140 degrees. What is the measure of the vertex angle?

Use this information for exercises 11-14.parents are older than their children.the ratio of a parent´sage to a child´s age changes as the parent and child get older. 11.can a parent ever be exactly twice as old as his or her child?explain. 12.can a parent ever exactly three times as old as his or her child?.explain 13.can the ratio of a parent's ageto his or her child's age ever be exactly 3:2?explain 14.can the ratio of a parent's age to his or her child's age ever be exactly 10:9?explain. plz help me its urgent!

Use a calculator to work out
63,789 + 72,983 - 49,367
Give your answer to 2 s.f.

4. What is 9.2 written as a mixed number in simplest form?A. 2
/9
B. 9
/2
C. 29
/10
D. 91
/5

6. Which one of the following statements is true? Compare .98 ____ .980 using (<, >, =)
A. 9.08 > 9.8
B. .98 = .980
C. .908 < .9008
D. .098 = .0098


7. 7.1 + 16.04 – .2 = ?
A. 23.34
B. 2.294
C. 22.94
D. 23.12

9. 2.1 + 3.32 – 1.4 = ?
A. 6.82
B. 5.42
C. 4.02
D. 4.2

11. Audrey had $20 and bought gum for $1.10, a soda for $.99, and a bag of chips for $3.98. How much
money does she have left?
A. $14.63
B. $15.20
C. $13.93
D. $26.07


12. If the following fractions were converted to decimals, which one would result in a repeating decimal?
A. 3
/4
B. 5
/11
C. 1
/9
D. 3
/7

13. What is the decimal representation of seven hundredths?
A. .700
B. .007
C. .7
D. .07



If a worker is paid $8.16 per hour and works 8.5 hours in one week, how much is he or she paid for
that week?
A. $65.28
B. $69.36
C. $65.68
D. $54.08

17. Which of the following is the representation of a decimal number?
A. .25
B. 23
C. 33
/10
D. 1
/2

What is the decimal representation of 2
/10 ?
A. .20
B. 2.0
C. 2.10
D. .2


Having the most awful time with these...

Jet works in the bookstore he has 300 books to stock on the shows so far he has stopped 120 books today what percent of the books does he have left to stock

Javier has a job installing windows. He earns a rate of $75 per day plus $8 per window installed. He also receives a stipend of $25 for snacks. Javier knows his weekly earnings can be shown with the following expression:75d + 8w + 25

Part A: Identify a coefficient, a variable, and a constant in this expression. (3 points)

Part B: If Javier works for 5 days and installs 48 windows, how much does he earn? Show your work to receive full credit. (4 points)

Part C: If Javier gets an increase in his stipend and receives $40 for snacks, would the coefficient, variable, or constant in the equation change? Why? (3 points)

PLEASE DON'T IGNORE!What is the degree of the polynomial (z^5)(y^3) + y^2 + 7y?
A. 2
B. 3
C. 5
D. 8