Are 9 (4-x) and 36-9x equivalent expressions

Sabrina has designed a rectangular painting that measures 65 feet in length and 30 feet in width. Alfred has also designed a rectangular painting, but it measures x feet shorter on each side. When x = 3, what is the area of Alfred's painting?

Miko's restaurant bill was $16. She used the expression 1.18 (16) to find the total cost, including an 18% tip. Which expression is equivalent to the amount Miko paid? (1+0.18) 16 (16+0.18) 16 16 + 1.18 1+0.18 (16)

There are 8 Apples and some bananas on the counter. Someone buys 3 apples. Now there are 4 more bananas than apples. How many bananas are there?

You sold the most for your school's fundraiser so you get to enter the cash vault. There are $1, $5,$10 and $20 bills. The probability of picking a $1 bill is 48%, a $5 bill is 26%, a $20 bill is 10%. What is the probability of picking a $10 bill?

Factor out the greatest common factor from the polynomial 9x-27y+9=