Xpower 3 minus 8can you tell me how to do it and in advance

What number produces an irrational number when multiplied by -1.25

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

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