Answer:
(0,-2); The y-intercept is y=-2.
Step-by-step explanation:
Recall that the y-intercept is simply (0, y). In other words, we simply need to plug zero into the equation to acquire the y.
Thus:



Answer:
68
Step-by-step explanation:
70+2-4= 68
b= 63 and that is your answer
Took 3 of us in grade 10 but johns present age is 77.5 and his sister is 72.5