What is the y-intercept? * x у
0 3
1 12
2 48
3 192

options:
a) 12
b) 3
c) 4
d) 0

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)