The temperature dropped from 75 degrees to 50 degrees. what was the percent decrease in the temperature? a. 33 1/3% b. 50% c. 66 2/3%

How to solve a simultaneous equation involved with fractions?

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2

In triangle abc, angle c is a right angle. find the value of the trig function indicated. find tan a if c = 17 and a = 8