What is the exact value for the expression the square root of 189. - the square root of 21. + the square root of 84.? Simplify if possible.

James, Priya, and Siobhan work in a grocery store. James makes $8.00 per hour. Priya makes 40% more than James, and Siobhan makes 15% less than Priya. How much does Siobhan make per hour?

How do you, wright 50+30z=250+10z the answer z=10 in a story?

A bacteria culture begins with 4 bacteria which double in size every hour. How many bacteria exist in the culture after 8 hours? A. 128 B. 256 C. 1,024 D. 8,192

Name the property the equation illustrates. 9 + (8 + 1) = (9 + 8) + 1 A) Commutative Property of Multiplication B) Associative Property of Addition C) Commutative Property of Addition D) Inverse Property of Addition

The sum of 3 consecutive numbers is 27. Find the sum of the smallest and largest number.

2,400 principal earning 2%, compounded annually, after 7 years. Find the balance in the account

Find each probability if a die is rolled. P (divisible by 4)

The Hamptons Family has a fish tank holding 10,450 ml of water. The water is leaking at a rate of 270 ml per minute. How much water will be left in the tank after 15 minutes?

There are 136 people waiting for a river raft ride each raft holds 8 people silvia find the number of rafts needed

An antelope Can run at a speed at 61 mph. What is the speed in yards per second? Round to the nearest hundredth.