For each ordered pair determine whether it is a solution to 7x-4y=-5

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

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)