Simplify the algebraic expression:

2a – 7 + 4b + 7a – b + 4

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x, and the distance in miles, y, that he travels.

Math ! will give branliest at a car and truck dealership, the probability that a vehicle is white is 0.25 . the probability that it is a pick up truck is 0.15 . the or obability that it is a white pick up truck is 0.06 . what is the probability that the vehicle is white, given that the vehicle is a pickup truck . round your answer to two decimal places .

Skie rented a boat for $16.50 per hour. her total rental fee was $49.50. for how many hours did skie rent the boat