A15-foot ladder must make an angle of 30° with the ground if it is to reach a certain window. what angle must a 20-foot ladder make with the ground to reach the same window? a. 22 degrees b. 38 degrees c. 42 degrees d. 48 degrees

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test