The price, s, of a mountain bike at Speed Cycling is $210 less than twice the price, d, of the same bike at Downhill Racing. The difference in price between the bike at Speed Cycling and Downhill Racing is $320. Which system of equations can be used to determine the price of the bike at each store? A.
2s - d = 210
s - d = -320

B.
s - 2d = -210
s - d = -320

C.
2s - 2d = 210
s + d = 320

D.
s - 2d = -210
s - d = 320

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

Francisco's credit card has an apr of 28.98%, calculated on the previous monthly balance. his credit card record for the last 7 months is shown in the table below francisco is trying to figure out what this all means. answer the following questions: what is the total amount that francisco has paid in interest over the 7 months? what is the total amount that francisco has made in payments over the 7 months? how much of francisco's payments have gone to paying down the principal on his account? what is francisco's new balance at the end of month 8? what will francisco be charged for interest for month 8?

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)