A computer store buys a computer system at a cost of $487.20. The selling price was first at $812 , but then the store advertised a 30% markdown on the system. Answer parts a and b. a. Find the current sale price.
b. Members of the store's loyalty club get an additional 10% off their computer purchases. How much do club members pay for the computer with their discount?

687.09 dollars       happy now

step-by-step explanation: 6870

1857 times .63 equals 1169.91 subtract that from 1857 you get 687.09

answer: i'm not going to give you the answer, but some hints to work it out.

step-by-step explanation: so, if there is a straight line that means that the line angle is 180°. so we subtract the 2 angle measures provided, (15 and 38) from 180. so the answer is 180 - (38 + 15). (you have to solve the equation)

x² + 11x + 18 < 0  

[-11 ± sqrt(121 - 72)]/2 = (-11 ± 7)/2  

solution: (-9, -2)

step-by-step explanation: