David has $15 to spend at the candy store. He wants to buy gummy bears and jelly beans

What is the common difference for this arithmetic sequence? -6,-2,2,6,10 a.4 b.5 c.3 d.6

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2