Find the reference angle for -782°
a.
152°
c.
28°
b.
62°
d.
118°

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.