10/21 equal to 2a/a+b

A. 41/10

B. 10/13

C. 5/16

D. 1/13

Select the correct answer. What is the inverse of function f? f (x) = 3-x/7 A. f-1 (x) = 7+x/3 B. f-1 (x) = 3-7x C. f-1 (x) = 7x+3 D. f-1 (x) = 3 - x/7

Find the radius of a cylinder with a volume of 108ft and height of 12 ft

Every integer is a divisor of itself. A proper divisor of an integer means a positive divisor other than the integer itself. For example, the divisors of $8$ are $1,$ $2,$ $4,$ and $8,$ but the proper divisors of $8$ are just $1,$ $2,$ and $4$.

7 in the number 7,845

How many different three digit numbers can be formed using binary number?

How to simplify 4p (q-1) + q (1-p)

The length of a rectangle is five times its width. if the area of the rectangle is 405 yd2, find its perimeter.

Four less than half of a number is 17. find the number

What is the value of j in the equation √ j √ j 14 = 3√ j 10?

If you flip three fair coins, what is the probability that you'll get a tail on the first flip, a head on the second flip, and another tail on the third flip?