How many solutions does -3x + 3y =4 -x + y =3 have? -3x + 3y =4
-x + y =3
0
1
2
infinite

Which of the following parabolas opens down?

Find the distance between c and d on the number line c=3 and d=11

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%)