Solve the system of equations using the elimination method.x + y = 1 x – y = -4

Solve the inequality and give the solution set.x ≤ 2 and x ≥ 4

Use the slope and y-intercept to graph the equation.-x + 5y = 10

Solve the system of equations using the elimination method. 7x – 3y = 5-21x + 9y = -20

Solve the problem.Marcus earned $8600 during his summer vacation. He invested part of the money at and the rest at If he received a total of $683 in interest at the end of the year, how much was invested at

Find the solution to the system of equations by substitution. x – 6y = -38-5x – 7y = -32

Find the slope of the line through the given points. If the slope is undefined, so state.(3, 1) and (3, -2)

Solve the inequality.8c + 1 ≤ 7c + 6

Determine if the relation illustrated is a function. Give the domain and range of the function or relation.{(11, -2), (-5, -1), (-5, 0), (-4, 1), (4, 3)}

Determine the slope and the y-intercept of the graph of the equation.-x + 12y = 120