If (x - 3) and (x + 7) are the factors of the trinomial x2 + ax – 21, what is the value of a?
A.)-3
Б.)-4
C.)7
Д.)4

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16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Solutions for 2x+7 less than or equal to 3x-5