Which statement is necessarily true if is an altitude to the hypotenuse of right ?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Igor stravinsky tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. about 47,000,000 care tires and 26,000,00 truck tires are sold each year in the united states. what is stravinsky's market share in each of these two markets (cars and trucks)?

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship