Which expression is equivalent to x + x + x + 5 + 5, no matter what value is substituted in for x?

a)
3x + 5

b)
3x + 7

c)
x + 10

d)
3x + 10

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Percent increase and decrease. original number: 45 new number: 18

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )