20 friends and 12 invations are left how many has she mailed

What is the value of 2 in 83628 and 208

Toby's house is 25 feet high. How high is Toby's house in yards and feet?

My problem says"Write two ratios equivalent to 3:11

A man bought some property and later sold it for $50,850 making a profit of 13% how much did the property cost him

A car with a 20 gallon gas tank can go 25 miles on 1 gallon of gas. If the tank is full at the beginning of a trip how many times does the driver have to refill the gas tank on a 725 mile trip?

What is the value of 3/4 k to the 3rd power - 9 when K=3

What is a common factor for the expression 24x^2+16x+144

The total cost of 6 pens and 3 folders. A folder costs $1.15 more than a pen.

An epidemiologist found five cases of "big toe cancer" in the Yukon Territory. Because there were only a few cases, the epidemiologist decided to conduct a matched case-control study to determine whether shoe size larger than 9 is a risk factor for

What does proportional mean?