Solve using linear combination

x-y=-7
x+y=7

a. (-7,0)
b. (7,0)
c. (0,7)
d. (0,-7)

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

In a 45-45-90 right triangle, what is the ratio of the length of one leg to the length of the other leg? а . 1: 2 в. 2: 1 с. 2: 1 d. 1: 1

What is the circumference of the pie