Which best describes this triangle? a. all sides are the same length; each angle measures 90°. b. two sides are the same length; one angle measures 90°. c. two sides are the same length; one angle is obtuse. d. all sides are the same length; each angle is acute.

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Which is the scale factor proportion for the enlargement shown?

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas 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