A
b
75°
115°
e
75°
Which lines are parallel? Justify your answer.
Lines a and b are parallel because their alternate
exterior angles are congruent.
Lines a and b are parallel because their same side
exterior angles are supplementary.
O Lines e and fare parallel because their alternate
exterior angles are congruent.
O Lines e and fare parallel because their same side
exterior angles are congruent.
Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.