Match each exponential equation to its percent rate of change 40% decay 20% decay 60% growth 60% decay 80% decay 80% growth 40% growth 30% growth 60(0.8)^t=1.4 20(0.6)^t=1.2 80(1.6)^t=20 40(0.2)^1.6 1.2(1.4)^t=80

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

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.

Question 14 (1 point) larry deposits $15 a week into a savings account. his balance in his savings account grows by a constant percent rate.