Letting r stand for “The food is good,” p stand for “I eat too much,” and q stand for “I’ll exercise,” write the following in symbolic form: If I exercise, then I won’t eat too much.  

Write the set of natural numbers greater than 21 using set-builder notation.

The teacher distributed 94 books between 17 students and had some left over.  If she gave each student the same number of books, then how many were left with her?

Simplify: 6÷2(-3)2-70{“version”:”1.1″,”math”:”6÷2(-3)2-70″}

Solve for x in the proportion: 5x=156{“version”:”1.1″,”math”:”5x=156″}

Convert 329 to base six.

Perform the following multiplication using the lattice algorithm: 419*76

What multiplication is suggested by the given model?

Without using a calculator, test 853,908 for divisibility by 3, 4, 5, and 11.  Explain your reasoning.

A pencil box and a notebook together cost $7.28.  The notebook costs $0.70 more than the pencil box.  How much does the notebook cost?