If x + y = 28 and x - y = - 4, then find the numerical value of y

What is the unit rate of 12 meters in 28 seconds?

Write an expression for "11 and w"

7z-[ (2z+y) - (-5y+3z) + 9]-12z

Simplify 9-x^2 / 9x+27

Expressing decimals as fractions

The sum of four times a number and three is the same as the difference of twice the number and eleven. find the number.

What is the perimeter of the shape? 3 cm 5 cm 5 cm 7 cm N centimeters Submit

Calculate the difference scores for the following data from a repeated measures study. Conduct a repeated measures t-test at aplha=.05 to find whether there was a change in scores. Subject A:Pre test score=34 post test score=39.

What is the x and y-intercept of the given equation: 3x-2y=12

What is the degree of the monomial 3x²y3? O2 03 05 06