The sum 2n3 + 4n2 - 7 and -n3 + 8n - 9

Multiplying an even number of negative numbers gives an answer that is choose from:

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%