Find the least multiple of each set of numbers 5 10 and 15

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?