Find the nonpermissable replacement for the variable in this expression: 3x/5x+2

The area of a rectangle is 20. The length is 5, and the width is (x+1). What is the value of x? What is the width of the rectangle?

X-7=11, 2x+y=19 when using elimination

If 6 newborn babies are randomly selected, how many different gender sequences are possible? a. 720 c. 12 b. 36 d. 64

The temperature rose from 40°F to 60°F. What was the percent of increase?

How do you solve 5v-4 over 10 equals 4/5

What is the perfect square rule?

What does seven plus seven equal

The amount of a sample remaining after t days is given by the equation P (1) - Al2where A is the initial amount of the sample and h is the half-life, in days, of the substance. A sample contains 60% of its original amount of Fermium- 257.

What order will result a final output of 131,065 when the first input is 64

The three incoming currents at a node in an electrical current measure. 7 amps,.68amps,.47 amps. two of the three outgoing currents measure. 8 amps and. 55 amps. find the measure of the third outgoing current