12. In how many ways can five men and four women
be seated on a bench if the men and women must
be in alternate seats?
A. 2880
B. 2540
C. 2328
D. 2100

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.

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.

Simplify. 3(4+4x) (type your answer in with no spaces)