8. -16< 3x-4< 2

9. -1< 2/3x+1< 5
2/3 is supposed to be a fraction
10 -2< 2(x-6)< 4

Find an equation for the linear function which has slope -10 and x-intercept -7

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.