Which sets include only like terms? choose all answers that are correct. a. ( -3 abc, -4.9ac, - 2b, - 1/8abc ) b. ( - 1.24 jk , 17 jk, 9 jk, 4/5 jk ) c. (7m, 213p, - 22p, 3m ) d. ( 0.25x, 5x, - 13.2x, 1/3x )

Anyone know? is appreciated! will mark brainliest if correct!

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

Solve for x and select the correct answer