You mailed 3 identical letters weighing more than 1 ounce each. Mailing each letter cost $.37 for the first ounce, plus $.23 for each additional ounce. Each letter required $1.29 postage. How much did each letter weigh, to the nearest ounce?

A 36-inch yardstick is cut into 3 unequal pieces that form the sides of a triangle. If the length of each piece, in inches, is a whole number, what is the maximum possible length of the longest piece? A. 13 inches B. 17 inches C. 24 inches D.

There are two square roots of 25

The difference between number 20 and its opposite is what percentage of 200? (if you do not remember: opposite of 15 is - 15; opposite of - 7 is 7.)

Ava and Kendra want to estimate the height of a tree. On a sunny day, Ava measures Kendra's shadow as 3 meters long, and Kendra measures the tree's shadow as 15 meters long. Kendra is 1.5 meters tall. How tall is the tree? A) 7.5 meters B) 22.

3-5w+12+2w-3 write the answer in standard form

Which inequality correctly orders - 28,12,-19 and 2?

Six times the sum of a number and 3 equals 2

Sports stores sell skateboards for $112. last month the store sold 45 skateboards how much money did the store make from selling them?

Select steps that could be used to solve the equation 1 + 3x = - x + 4. add x, subtract 1, divide by 4 add x, subtract 4, divide by 4 subtract 3x, subtract 4, divide by 4 subtract 3x, subtract 4, divide by - 4 subtract 1, add x, divide by 4

Given: 60,807; 60,087; 60,708 and 60,078, the correct arrangement of these numbers from the least to the greatest value is?