Solve each equation. 1. r-38= 9
2. h+17=40
3. n + 75= 155
4. q - 17= 18

If chord ab is congruent to chord cd, then what must be true about ef and eg?

32a³b² 8ab² simplify the following expression.

Mallory has been offers two different jobs. she can baby sit for 6 hours a week and get $8.50 an hour. or she can work at the library for 14 hours a week and make $5.50 an hour. which job will allow her to save the most money after 6weeks?