The sum of eight and a number is added to thirty-six.

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

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.

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c