Let f(x)=x2−4 . what is the average rate of change of f(x) from −5 to −2 ?
a. -1/7
b. 1/7
c. -7
d. 7

For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 y=-2x^2+2x+2

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Find two numbers if their sum is 91 and the ratio is 6: 7?