Consider the system of equations. 5x – 2y = 6 –10x + 4y = –12 Check all the statements that are true. The lines coincide.

The system has no solution.

The slopes are equal.

The y-intercepts are equal.

The system has an infinite number of solutions.

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

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.

Which expression can be used to find the cost of .75 kilogram of cheese at the price of $6.40 per kilogram?