5(2x+6)-17+0+0+0+0+0+0+0

10x+13

Step-by-step explanation:

(10x+30) -17+0

30-17=13+0=13

10x+13

this would be the most simplified for this question, because 13 and 10 do not both have x's and that means you cant add them. so this is the most simplified answer.

0.6

39mph

step-by-step explanation:

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour