If you borrow $421 for nine years at an interest rate of 10%, how much interest will you pay? ​

Simply 8x squared + 5(7x squared- x) - 2x =

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Which of the following best describes the figure?