Answer:
Do u have answer choices?
Answer:
465.5
Step-by-step explanation:
If you plug in the numbers into the formula.
base 1= 15
base 2= 34
height= 19
Answer:
12.5%
Step-by-step explanation:
First we need to calculate the change in the area of Terry's room this is
108 ft2 - 96 ft2 = 12 ft2
Then we use a direct proportion in order to find the percentage
96 ft2 ----- 100%
12 ft2 ----- p?
Solvin for p we have that

p=12.5
Ralph is 12. If Ralph is 12 that means Sara is 4 (12/4=3). In 4 years Sara will be 8 and Ralph would be 16 (16/8=2).
4x10^7 The number of zeros the given number has would be the exponent