Answer: He bought 7 pens.
Step-by-step explanation:
21/3 = 7
Answer: -4, -3, 0, 2
Step-by-step explanation:
Answer:
Step-by-step explanation:
the answer would be 7x+21
Answer:
Domain: {(0,1,9,-9,-3)}
Range: {(4,-2,3,-3,2)}
Step-by-step explanation:
Domain is the X factors and Range is the Y factors of {(0,-4), (1,-2), (9,3), (-9,-3), (-3,-2)}
You cannot solve one equation with 3 variables. In this case you have an infinity of results. <span />