What are the x-intercepts of the function f(x) = –2x2 – 3x + 20?
(–4, 0) and
and (4, 0)
(–5, 0) and (2, 0)
(–2, 0) and (5, 0)

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?