Solve the open sentence 8 < 2b or 2b + 18 < 8

a b< -6 or b> -5

b b> 4 or b< -5

c b< 4 or b> -3

d b> 6 or b < -3

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

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 height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.