To find the decimal from a fraction, divide the numerator by the denominator.
To get the percent. multiply the decimal by 100.
So, the answer as a decimal is 0.9
the answer as a percent is 90%
Hope it helps!!!!!!!
b) Use mental math to calculate 49% of 162.
a. To find this answer you will need to turn that percentage into a decimal. 49%=.49
Then, you will need to multiply 49x162
Estimated is 79.00
b. 49% of 162 would be 79.38
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B:16.50
C:1.50
D:25.00
x^2 - 9 = (x + 3)(x -3)
3x - 9 = 3(x - 3)
and
6
Common denominator would be 6(x+3)(x - 3)
Answer: 6(x+3)(x - 3)