George said if 2 and 4 are factors of a number, then 8 is a factor of the number. is he correct?

Which graph represents the equation y =4x

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%)

Angles 1 and 2 are complimentary angles. angle 1 = 52 degrees. what is the measure of angle 2?