Mary purchased a prepaid phone card for $30 . long distance calls cost 22 cents a minute using this card. mary used her card only once to make a long distance call. if the remaining credit on her card is $21.42 , how many minutes did her call last?

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

Which points are solutions to the linear inequality y < 0.5x + 2? check all that apply. (–3, –2) (–2, 1) (–1, –2) (–1, 2) (1, –2) (1, 2)

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3