Solve for x:

7 : x = 21 : 24

Heather purchased an iPad mini on sale 20% off for 263.20 what's the original price of the iPad mini

Use the formula to determine the area of squares with side lengths of 3 cm, 10.5 cm, and π cm.

Choose the correct answer. Find the interest due on $800 at 12% for 120 days. 30.00 32.00 34.00

A bread recipe calls for 5 1/2 cups of white flour and 1 1/4 cups of rye flour. How much more of white flour than rye flour is needed

A person can pay $7 for a membership to the history museum and then go to the museum for just $1 per visit. What is the maximum number of visits a member of the history museum can make for a total of $45.

Ben is sailing on a ship. The ship goes 600 miles north and then turn west. It travels 200 miles west and turns sought for 450 miles. It turns west again and travels 170 miles and turns south once more and travels 150 miles.

The volume of a tissue box is 288in3. If the box has a width of 6 inches and it is 4 inches high, how long is the box?

2.5 (x-7) + 0.5=12.5. "I bought a cookbook for $7. If I had $2.5 more, I could have bought another book for $12.50".

If you took a true " if then " statement inserted a not in each clause, and reversed the clauses, the new statement would also be true

Find the values of l and m that make each equation true (7+m) + (4l-10) i=3 - 6i