What is the y-coordinate in the solution for the system of linear equations below? {5x - 2y = 4
{3x - 4y= -6

A) y=2
B) y= -2
C) y=3
D) y= -3

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?