Sophia invests $12,500 in an account that earns 4% annual simple interest. assuming she makes no additional deposits or withdrawals, how much interest will Sophia earn after 3 years?

To ? nd out how many students are unhappy with the dining hall food, you distribute a survey. which method of surveying would produce the least amount of bias in your data?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Secant be and cf intersect at point d inside a what is the measure of cde