Given the system of equations, what is the value of the system determinant? 2x + y = 8 x - y = 10

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

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

What is the correct decimal form of 12%