What is the quotient? 4x2 + 15 + 4x + 15 + 4x2 + 15 + 4x + 15 +

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

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%)