HELP

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

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

Find the slope of the line passing through a pair of points