Multiply and simplify.

2a(5a exponent 2 + 3a - 17)

a: 7a exponent 3 + 5a exponent 2 - 15a

b: 7a exponent 2 + 5a - 15

c: 10a exponent 2 + 6a - 34

d: 10a exponent 3 + 6a exponent 2 - 34a

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)

20 points plus brainliest andwer plus my hover hoard im v desperate ! evaluate the polynomial for x=-2 in the equation -3x^3+7x^2-7x-1 (simplify your answer)

The daily production of a company is modeled by the function p = -w^2 + 75w - 1200. the daily production, p, is dependent on the number of workers (w) present. if the break-even point is when p=0, what are the least and greatest number of workers the company must have present each day in order to break even? 50 points! will give brainliest!