Aquadrilateral has vertices e(–4, 2), f(4, 7), g(8, 1), and h(0, –4). which statements are true? check all that apply.

a) the slope of eh is -8/5
b) the slopes of ef and gh are both 5/8
c) fg is perpendicular to gh.
d) quadrilateral efgh is a parallelogram because both pairs of opposite sides are parallel.
e) quadrilateral efgh is a rectangle because all angles are right angles.

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

Which of the choices shown could be used to prove that aacp=abcp ?

Aski resort is charging $37.50 to rent a snowmobile for 5 hours. at this rate what will be the cost for a family of 5 to rent snowmobiles for 3 hours on the first day of their vacation and 4 hours for on the last day of their vacation