the expression 2(x²-4x-21) - (x+77) and (x-7) (x+k) are equivalent. what must be the value of k A.-148 B.-71 c.83 D.160​

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.

15 oranges weigh 3.75 kilograms (kg). if each orange weighs approximately the same, approximately how much does each orange weigh?

Find the slope of the line that passes through the points (0, 0) and (-2, -3). 2/3 3/2 -3/2