The cost of 12 oranges and 7 apples is 5.36. Eight oranges and 5 apples cost 3.68. Find the cost of each

The volume of a spherical hot air balloon v(r) = 4 3 ? r3 changes as its radius changes. the radius is a function of time given by r(t) = 3t. find the instantaneous rate of change of the volume with respect to t at t = 2.

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)

Solve for p: 21 , = 3/4 pit's fraction problem