"A common statistic used in professional football is the quarterback rating. This rating is made up of four major factors. One factor is the completion rating given by the formula R=5(CA−0.3)
where C is the number of completed passes and A is the number of attempted passes. Solve the formula for C"

I don't understand how to do this. Can someone explain please?

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.