A car salesperson earns a 20% commission for each car she sells. How much will she earn if she sells one car for $24,900 and another for $27,800? A. $1,054
B. $2,900
C. $10,200
D.$10,540

Acircle has a circumference of 7.850 units. what is its radius?

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)