what is the mathematical expression for the problem withdrawing $10 every week from an outstanding $400?

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Solve for the equation. 4x - 13 = 2x + 9