the volume of a rectangular prism is equal to the area of the rectangular faces multiplied by the prism’s height. the volume of a rectangular prism can be expressed as the following quadratic x 3 +8 . factor the quadratic to determine the area of the rectangular faces and the prism’s height. note: use ^ to represent exponents, for example, x^2.

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.

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?

Find the percent error of the measurement 4 cm