PLEASE HELP I NEED THIS TODAY IT MY FINALE MATH BENCHMARK BEFORE THE SUMMER 1/4 of the schoolyard is used by the fifth graders for recess, as shown by the shaded part of the diagram.

Teachers have 3 different activities planned for recess that will take up the same amount of space.

Rectangle is further divided into 4 equal rectangles. 1 out of 4 rectangle is shaded.

Part A

Which model shows how the schoolyard can be divided into equal spaces for the activities?

A. Rectangle is further divided into 8 equal rectangles. 2 out of 8 rectangles is shaded.

B. Rectangle is further divided into 12 equal rectangles. 3 out of 12 rectangles is shaded.

C. Rectangle is further divided into 16 equal rectangles. 4 out of 16 rectangles is shaded.

D. Rectangle is further divided into 8 equal rectangles. 2 out of 8 rectangles is shaded.

Part B

What fraction of the schoolyard will each activity take up?

A. 13

B. 16

C. 112

D. 34

answer: it's a

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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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