PLEASE HELP MEE

Examine this system of equations. Which number can be multiplied by each equation so that when the two equations are added together, the y term is eliminated?

Three-fourths x + two-thirds y = 6

StartFraction 5 Over 8 EndFraction x + five-sixths y = 12

A) 15 times the first equation and 12 times the second equation

B) 15 times the first equation and –12 times the second equation

C) 30 times the first equation and –6 times the second equation

D) 30 times the first equation and 6 times the second equation

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

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What number line represents the solution set for the inequality -1/2 greater than or equal to 4