Which of the following functions opens upward?
y = -2x2 + x +3
f(x) = -x-11
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Find the value of the variable and the length of each secant segment.

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?