The frog population at a lake doubles every week. The population can be modeled by f(x) = 15(2)x and f(6) = 960. What does the 2 represent?

Fuel economy estimates for automobiles built one year predicted a mean of 28.2mpg and a standard deviation of 4.8mpg for highway driving. Assume that a Normal model can be applied. Use the 68−95−99.7 Rule to complete parts b) through e). b) In what interval would you expect the central 99.7% of autos to be found. Using the​ 68-95-99.7 rule, the central l99.7​%of autos can be expected to be found in the interval from __- to __ MPG c) what percent of autos should get more than 33mpg Usign the 68-95 rule about __% of autos should get more than 33mpg D) what percent of autos should get between 33 and 37.8mpg E) Describe the gas milage of the best 2.5% of cars a) they get more than 42.6mpg b) they get less than 23.4 mph C) they get more than 33 mpg D) they get more than 37.8 mpg

The total commission, in dollars, Jessie earned on selling cars at a dealership in two weeks is given by the expression 800+400x. She earns the same amount of commission per car each week. Which situation could be described by this expression?Jessie earned a total commission of $800 in the first week and x dollars in the second week.


Jessie sold 2 cars in the first week and x number of cars in the second week, earning a commission of $400 on each car.



Jessie sold 1 car in the first week, earning $800, and x number of cars in the second week, earning a total commission of $1,200.



Jessie earned a commission of $800 on each car in the first week and $400 on each car in the second week, selling x number of cars each week.

In a relay race, the probability of the Galaxy team winning is 22%. In another unrelated relay race, the probability of the Komets team winning is 47%. If the possibility of a tie is not an option, the probability of the Komets losing their race and the Galaxy winning theirs is ?%

Find the nth term, a n, of the given arithmetic sequence. a^1 = 75, d = –8, n = 11a. 742
c. 155
b. –13
d. –5

Use summation notation to write the series2+4+6+8+... For 10 terms

Josh works for The Milkshake Diner. The company wants to know which milkshake flavor is the most popular. Today, he surveyedevery third female customer on their favorite milkshake flavor. Twenty-two customers (out of 71 total) were surveyed, and
7 customers prefer ChocoChocolate, 5 customers prefer VeryStrawberry, and 10 customers prefer BananaBoBanna.
Identify the population in the situation above.
A. every third customer
OB. The Milkshake Diners customers
OC. every female customer
OD. every third female customer​