The sales tax rate in Harris County is 7.25%, but the sales tax rate for the city of Houston is 8.25%. How much money would Zack save if he purchased a car for $22,500 in Harris County instead of the city of Houston? show work pls!

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

With this one. will mark brainliest

Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant