Tahmar knows the formula for simple interest is i = prt, where i represents the simple interest on an amount of money, p, for t years at r rate. she transforms the equation to isolate p : p = p : p equals startfraction i over r t endfraction.. using this formula, what is the amount of money, p, that will generate $20 at a 5% interest rate over 5 years?

Amber had 1/6 of a pie left after the bake sale. rihanna had 3/8 of a pie left. what fraction of a pie did they have altogether?

(hurry! ) which expression is equivalent to the following complex fraction?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.