Anew pair of nike cost $137.50 plus 4.5 sales tax. what is the total cost of the sneakers?

What is the lcm of 16 and 40 ? 24 and 40 ?

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi, r^3 , where r is the sphere’s radius.