I WILL MAKE YOU BRAINLIST JUST PLZ HELP ME ON THIS PROBALEM BUT YOUR ANSWER HAS TO BE CORRECT Two lines meet at a point that is also the endpoint of two rays.
(a)
​Part A
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​Which equation can be used to determine the value of ?
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A x+4x=90
B x+4x+27=180
C x+27+63=90
D x+4x+27+90=180
(b)
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​Part B
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​What is the value of x?

​ x=

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

The sum of two numbers is 86, and their difference is 20. find the two numbers

Match the equivalent expressions. x - 3y + 12 12 - 3y - 2x + x + 2x 3x + 2y - 2x + y + 12 3y + 12 3x + y - 12 4y + 3y + 3x - 6y - 10 - 2 x + 3y + 2x - 3x + 7 + 5 x + 3y + 12 5 + 2y + 7x - 4x + 3y - 17