Need the altitude of an airplane is decreasing at a rate of 42 feet per second. what is the change in altitude of the airplane over a period of 27 seconds? a. -69 feet b. 1,134 feet c. 69 feet d. -1,134 feet

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?