Aladder that is 25 feet long is leaning against a pillar. the vertical height from the base of the pillar to the top of the ladder is 24 feet. which expressions represent the angle, θ, that the bottom of the ladder makes with the ground?

Step-by-step explanation:

The answer is

cos^-1(7/25)

tan^-1(24/7)

sin^-1(24/25)

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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rauschg

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