PEMDAS Solve the parentheses first so 9+4=13. Then do the division so 6/6=1. Now the equation is 37- 13+ 1. Then work left to right. 37-13= 24 then 24+1=25.
(a)
we are given
the price of apple suddenly up by $0.75
Let's assume original price be 'p'
we are given
Sam bought 3 pounds of apple at the new price total is $5.88
so, new price = old price +0.75
price of 3 apples 
we are given that price is 5.88
so, we get equation as
.......Answer
(b)
Since, original price is p
so, we have to solve for p




so, original price is $1.21 per pound........Answer
Um, here is the problem. WE NEED A PICTURE TO ACTUALLY TELL YOU THE ANSWER! DO YOU WANT AN ANSWER OR NOT?????
Help with what there is nothing?
Find the area of the base
.
Multiply area of the base by height to get volume

Hope this helps.