Two small spheres carry electric charges of equal magnitudes. there are equally spaced points (a , b , and
c. which lie along the same line.

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?

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.