Write an equation of a line with the given slope and y-intercept: m=-1, b=-9

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

Ihave trouble finding the nth term of a linear sequence

Don't know how to find x given these segment lengths