Green beans cost $4 for 2 lbs. What would be the cost for 7 lbs ?

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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