Answer:
Add 2y and y.
Step-by-step explanation:
you have to combine what is common
plz give brainliest
Answer:
D. 14448
Step-by-step explanation:
S = Base area + lateral surface area
=2*(1/2*(56*42)) + (56+42+70)*72
= 2352 + 12096
= 14448
The correct answer would be B
Answer:
The percent of change is 44.7%
Step-by-step explanation:
Given that:
38 staples to 55 staples
As the number of staples are increased, therefore, the percent will also increase.
Difference = 55 - 38 = 17 staples
Percent of change = 
Percent of change = 
Percent of change = 0.447*100
Percent of change = 44.7%
Hence,
The percent of change is 44.7%