Ill give brainliest for name 3 pairs of complemantary angles. if number 8 is wrong tell me but also pl with number

Complementary angle add up to 90 degrees

UOI and UIO  Triangles add to 180 and the IUO is 90 degrees so that leaves 90 degrees to the other 2 angles

AOU AND UOA Triangles add to 180 and the AUO is 90 degrees so that leaves 90 degrees to the other 2 angles

AIE AND EIA Triangles add to 180 and the IEA is 90 degrees so that leaves 90 degrees to the other 2 angles

supplementary angle add up to 180 degrees

Complementary pairs: UOI and UIO , AOU AND UOA ,AIE AND EIA

AUO and IUO  Straight lines add to 180

AEI AND OIE  2 corners of the figure

EAO  AND AOI 4 sided figures add to 360 and the other 2 corners are 90 each which is 180 so that leaves 180 for these 2 angles

Supplementary pairs: AUO and IUO ,AEI AND OIE, EAO  AND AOI

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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