Which set does not contain –3?

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Which expression is equivalent to -5(3x - 6/7)