There are 14 boys in the room. This is 4 less than 3 times the number of girls. How many girls are in the room? Which equation can be used to solve the problem? A. 14 = 3x + 4 B. 14 = 4x + 3 C. 14 = 3x - 4 D. 14 = 4x - 3

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

What is x3+3x2−16x−48 divided by x−1?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.