The system of equations: 5x-4y=-3
3x+2y=7
has the same solution as the system
1)5x-4y=-3
6x+4y=7
2)5x-4y=-3
6x+2y=14
3)5x-4y=-3
6x+4y=14
4)5x-4y=-3
9x+6y=14
someone me i’m confused

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°