One of two supplementary angles is five times the other. Find the angles. (Recall that supplementary angles are angles whose sum is 180 degrees.)

A teacher asks her students to divide into groups for 4 students to perform a lab. there are 36 students in the class. each lab group needs 1.25g of cuso4. how many grams of cuso4 will the class need?

10 hours to 6 hours percent of change

Mason opens a savings account by making a $165.85 deposit. Every week, he deposits another $20.50 in the account. The following expression shows the amount of money that will be in the account x weeks after Mason opens it. 165.85 + 20.

Kam cut a melon into eighths. Her four brothers each ate one piece. What fraction of the melon did they eat in all.

Four dates in a row have a sum of 74. what are the dates?

A proportional relationship is represented by the equation 2x=18y. if x is proportional to y, what is the constant of proportionality?

Step by step ways to solve 3.4 x 4.72

0.17098445595 to the nearest percent

Which one is bigger 0.7 or 7/9

Joann wants to hang a wallpaper border around the top of her living room walls. The room is 13 ft. by 15 ft. How much border must she purchase?