Write a system of equations and solve. Cathy paid 42 cents for a pencil and two erasers. Ron paid 91 cents for five pencils and three erasers. What we’re the prices of pencils and erasers?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy

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%)