HELPP PLEASEEE ! Daphne is hiring a company to paint the exterior of her house. Company A charges a flat fee of $125 and an hourly rate of $45. Company B charges a flat fee of $80 and an hourly rate of $60. Determine for how many hours of work Company A is higher priced than Company B.

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

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

If y varies directly as x2 and y=6 when x=6, find the constant of variation.