Megan and Lily each pay $750 a month for the apartment they share. Kevin lives by himself and pays 1.8 times as much rent a month as Megan and Lilly's rent combined. How much in dollars does Kevin pay for rent each month?

Which of the following is true for the relation f(x)=2x^2+1

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling