Tim worker buys a satellite dish for 329.99 he pays 10% down and takes installment loan to complete the purchase he makes 12 payments which include his principal and a 40.00 finance charge what is the apr of this loan

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2