What is the value of the product (21)(5+3i)?
A -6 + 10i
B 10 + 6i
C 161
D 10 - 6i

What is the slope of a line that is perpendicular to y = 3x + 1

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0