Which of the following best approximates the line of best fit

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

Write the fraction for the part that is shaded. then find the equivalent fraction.

I. given that abcde = fghij, fill in the blanks. 1. ab = = 4cm 2.bc = = 4cm 3.ed = = 7cm 4.ea = 5.aed = 6.bae = 7.dcb = 8.given that klmnop = uvwxyz k = 70°, l = 80°, m = 90°, n = 100°, ml = 5cm, and op = 6cm, find 9.u = 10.w = 11. yz = 12.wv = _5_cm (answered)