PLEASE HURRY Keith ran more than 2 miles. Donna ran less than 4 miles. Which of these must
be true?
F
Keith ran fewer miles than Donna.
G
Keith ran more than twice as many
miles as Donna.
H
Donna ran fewer miles than Keith.
J
Donna ran less than twice as many
miles as Keith.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

Yvaries inversely as x. y =12 when x=5. find y when x=4