Which multiplication expression that does not belong based on scaling. explain. choose an expression 6 x 2 1/2 6 x 3 3/5 1/2 x 6 2 2/5 x 6

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%)

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6

You borrow $25,000 to buy a boat. the simple interest rate is 4%. you pay the loan off after 10 years. what is the total amount you paid for the loan?