In the equation -2(2-r)=4(5-r) what is r?

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a