What is the product of the polynomials below?
(x - 7)(x2 + 3x - 3)
a. x3 - 7x2 - 24x + 21
b. x3 - 7x2 - 3x + 21
c. x3 - 4x2 - 3x + 21
d. x3 - 4x2 - 24x + 2

Solve 13 + w/7= -18 (w/7 is a fraction)

The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams

Pierre is covered by his employers group major medical plan. his employer pays for 75% of the premium and he pays for 25%. how much would a $10000 benefit be taxable as income under this plan