What if the vertical of the county were -5,8,8,8,8,-6 and -5,-6 put in a coordinate plane

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

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%)

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.