exam Maths Puzzle Numerical Ability

The number that is the same distance from zero as a given number, on the opposite side of the number line. this is for a crossword puzzle assignment. I do know the answer has 8 let

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exam Other Question

Factor if possible
3(x-2y)^2 + 6(x-2y) - 45

**The answer has to be one of these choices
3(x+2y+5)(x-2y-3) , 3(x-2y-5)(x-2y+3), 3(x+2y-5)(x-2y+3) , 3(x-2y+5)(x-2y-3) Help please! :-)

measure of angle 1 is (3y+4) degrees, measure of angle 2 is (6x+20) degrees, and measure of angle 3 is (3x+y+3) degrees. Solve for x and y, then find the real measure of angle 2. Hint: angles 1 and 3 are vertical angles.