Pablo bought a desktop computer and a laptop computer. before finance charges, the laptop cost $250 more than the desktop. he paid for the computers using two different financing plans. for the desktop the interest rate was 8.5% per year, and for the laptop it was 5% per year. the total finance charges for one year were $296 . how much did each computer cost before finance charges?

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.