Solve, using the substitution method.
y + 2x = 7
14 – 4x = 2y

a. the solution is (1, 5)

b. the solution is (21, 0)

c. there are an infinite number of solutions.

d. there is no solution.

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?