if u download photomath and take a picture of each problem it will give u a solution to each problem along with the steps of how they got that answer
Answer: ummm i think it's -1
Step-by-step explanation:
Answer:
Step-by-step explanation: her precent change is 12% because 32 - 20 = 12 and since 12 is a whole number that would make it 12%

solve for "b", to see what the base is
what about the height? well, h = 4b
#1
the answer is 60.
#2
The answer is 150.
#3
The answer is -45
#4
The answer is 4.18879 ≈ 4.2