X ²+3x i need help loo

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Choose the more precise measurement. 26.4 cm or 8.39 cm

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.