You buy a printer for $79.80 and a scanner for $67.10; you receive a $11 mail-in rebate for the printer and a $17 mail- in rebate for the scanner. a) If each envelope costs $0.15 and each stamp costs $0.37, calculate the total cost after the rebates. b) How much is the actual rebate after your expenses

Answer $117.48

Step-by-step explanation:you add 79.80 plus 67.10 then subtract 11 and 17 then add 15 and 37

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right