Ok so the equation d=70t represents the distance in miles covered after traveling at 70 miles per hour for t what is d when t is 2.25

What is the measure of angle tvu shown in the diagram below

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

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.