What is the least common denominator of 3/5 1/2 and 5/7

The length of a rectangle is stored in a double variable named length, the width in one named width. write an expression whose value is the length of the diagonal of the rectangle. submit

John is buying food at the grocery store. He has made a list of 90 items that he needs to buy. He has bought 1/6 of the items. How many items has he bought?

The radius of the earth's orbit is 45,000,000 meters. What is the number in scientific notation?

95 is 20 percent of what number

Find the rate of change: Time: 9:00. 10:00. 11:00. 12:00 Temperature: 60. 62. 64. 66

Is 6/3 > 8/3? The three numbers I have are 6/3, 5/3, and 8/3. I need to make up three sentences and explain. Just trying to clarify.

Simplify expressions and combine like terms. 4y squared - 4y cubed - 6y squared + 6y cubed

Jessica has a shelf that is 26 inches long. If she cuts off 12 3/8inches, what is the new length of the shelf?

Simplify 3xy - 6 + 5y

How do i change 20/7 into a mixed number?