If two angles are right angles, then they are adjacent.

Find the slope of the line that passes through the points (-3, -1) and (0, 3). 3/4 0 4/3

Lian is deciding which of two gyms to join. each gym charges a monthly rate plus a one-time membership fee. lian correctly wrote and solved a system of linear equations by substitution to compare the costs of the memberships. in her work, she substituted an expression for one variable and solved for the other. this resulted in the equation 75 = 75. what can lian conclude? one gym charges $75 per month. each gym charges $75 per month both gyms charge the same monthly rate and the same membership fee. both gyms charge the same monthly rate, but not the same membership fee.

The following figure shows four lines intersecting at a point. in a complete sentence, describe the angle relationship in the diagram. write an equation for the relationship shown in the figure and solve for x and y. confirm your answer by measuring the angle with a protractor