Which of these strategies would eliminate a variable in the system of equations? 8x + 5y = -7
-7х + бу = -4

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

52 cm radius = diameter = area = circumference = circumfer