N+(13−n)÷5 for n=3 ; =

2. 3x+x÷3 for x=12
; =

3. 2xy +x2, when x=3, y=5
; =

4. 1+3(m2−20) when m=5
; =

5. 3x2, when x=4
; =

6. (3x)2, when x=4
; =

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)