Line ab has a slope of 2 1/2. if a=(2,7) and b=(12,k), what is the value of k?

Find the solution of system of equation y= x-4 y=4x+2

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x