Answer:
1) $53.50
2)$85.10
3) $57.60
4)1.5
4) $2511.25
Step-by-step explanation:
for 1,2,3,5 take the original amount and the percentages to set up something like this
$50X1.07
which gives you the entire answer in a simple step
Answer:
34.3
Step-by-step explanation:
no
Answer:
help animals and clean up to help animals animals are friends not food
Answer: 
Step-by-step explanation:
x^2+y^2=r^2 --> subtract x^2 to other side
y^2=r^2-x^2 --> square root both sides
y=sqrt(r^2-x^2)