A room can be cleaned in 2 hours if rob and Harry work together. Ron could clean it in 3 hours. How long can harry clean it?

Nine less then the product of 21 and Julie's score

Consider the two curves represented by the equations that are not superellipses. State the type of curve produced each time. 1. |x/2|^2+|y/2|^2=1 2. |x/3|^2 + |y/2|^2 = 1

Which of the following sentences is expressed by the percent equation below? 13 = 0.5 x A. What is 5% of 13? B. What is 50% of 13? C. 13 is 5% of what number? D. 13 is 50% percent of what number?

Why is 1/2 not useful as a benchmark to compare 5/8 and 9/10?

What is $9 discounted to $4

The length of one side of a square city block is 462 meters. what is the perimeter of the block

3 + (5 + 7) Use the commutative property of operations to reverse the numbers in the expression. Use the associative property of operations to change the grouping after reversing the numbers in the expression. Evaluate the expression.

Use the formula r = (F/P) ^1/n - 1 to find the annual inflation rate to the nearest tenth of a percent. A rare coin increases in value from $0.25 to 1.50 over a period of 30 years.

How do I use the distributive property to rewrite the promlem so it has only two factors (25 x 9) + (75 x 9)

The area of a mirror is 225 in.², its q The area of a mirror is 225 in.², it's width is 13 3/4. Will the mirror fit in a space that is 15" x 16" at exclamatio. Will the mirror fit in a space that is 15" x 16"?