Which of the following equations has a maximum at (9,7)? A. y = -x2 + 14x − 40 B. y = -x2 + 18x − 74 C. y = -x2 − 14x − 58 D. y = -x2 − 18x − 88 WILL MARK BRAINLIEST

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.

What is the circumference of a circle with an area of 50.24 cm²?