The formula for interest is i=prt. describe what these letters stand for. is the formula the same if you are charged interest on a purchase, like when you earn money in a savings account? once you have the numbers, how do you solve the formula for interest?

Which of the following parabolas opens down?

Find the distance between c and d on the number line c=3 and d=11

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%)