Jen earned x dollars on saturday and y dollars on sunday. she plans to save 25% of the money she earned over the weekend and spend the rest. write an expression for the amount of money jen saves. a. 0.25x+y b. 25(x+y) c. x+y d. 0.25(x+y)

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?