The Clark county public utility district charges residential water customers according to the formula C=9.95+0.032x, where C is the monthly charge of dollars and x is the number of cubic feet of water used in a month. How many cubic feet of water we’re used by a customer who received a bill of $29.79 for one month?

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.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.