Find the sum of the solutions of this equation 20x^2-39x-80=0

9. Which property is illustrated by 6 x 5 = 5 x 6?

Ahmad had a balance of $46 in his checking account. He made a deposit of $58, and wrote checks for $17 and $30. How much money dose Ahmad have in his account?

The factors of the number 21 are 1, 3, 7, and 21. Choose the factor pairs of the number 21. a) 1*21 b) 3*7 c) 1*7

Choose the equation that represents this situation. Use w to represent the variable. Blaise spends 4 hours each week jogging at the track. This is three times the amount of time he spends working out in the weight room.

How do I solve 3+4x (less than or equal to sign) x-2

Find the solutions to the equation 10^2x+11 = (x+6) ^2-2. Which values are approximate solutions to the equation check all that apply. A. - 9.6 B.-7.4 C. - 4.6 D. - 2.4 E. 0.6

how many pairs of opposite sides are parallel in a trapezoid? how is this different from a parallelogram?

The total bill for drinks and pizza and drink is 14.90 before tax/the sales tax is 5 •/• what will be the amount of sales tax added to the bill.

A car moving at an initial velocity of 20 meters/second accelerates at the rate of 1.5 meters/second^2 for 4 seconds. What is the final velocity?

A car manufacturer sold about 332,000 cars last year. The number of cars sold this year is 125% of the cars sold last year. About how many cars were sold this year sold this