How many solutions does the system y = -7x + 3 and y + 7x = 10 have? Explain.

A. No solutions; the lines are parallel.
B. One solution; (0, -7)
C. Infinitely many solutions; the lines are the same.
D. No solutions; the lines are perpendicular.

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

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.

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25