What is the formula for the area of an octogon?

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%

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2