Which of the following choices is the standard deviation of the sample shown here

18, 19, 20, 21, 22

A) 2.5

B) 20

C) / 2.5

D) / 2

E) 2

Kevin earns a total of $4,750 every pay period. There are two pay periods each month. Kevin's bills for the month total up to $2,750. He wants to place 30% of his discretionary income for the month into his savings account.

Determine the intercepts of the line. y-3 = 5 (x-2)

What is the converse to the following conditional statement if x=12 then 2x-5=19

Terry has about 20 keys which number could be the exact number of keys that terry has

The measure of one of the small angles of a right triangle is 26 more than 3 times the measure of the other small angle. find the measure of both angles.

A plumber uses 16 inches of tubing to connect each washing machine in a install 18 washing machines. How many yards of turbing will he need?

How do i simplify the square root of 50

Two towns are 1250 miles apart. A group of hikers start from each town and walks down the trail toward each other. They meet after hiking 200 hours. If one group travels 2 1/2 miles per hour slower than the other group, find the rate of each group.

Jason practiced making

the larger of two numbers is six less than twice the smaller number. if the sum of the number is 42, find the number