Subtract. Express your answer in lowest terms 7/15 - 4/9

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

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost