Using the law of cosines, in triangle def, if e=18yd, d=10yd, f=22yd, find measurement of angle d

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

Which term applies to agb and dge? a. obtuse b. supplementary c. complementary d. vertical