The weight of a cat for 10 months is shown in the table. If in November the cat weighed 13.9 lbs, by how much did this increase the mean weight of the cat? (to the nearest tenth lbs)

Which of the following graphs could represent a cubic function?

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%)

Y=21.95x+10 y=22.45x solve by substitution