4 Raja worked 40 hours per week for 4 weeks.
Frank worked half the amount of time Raja worked.
How many hours did Frank work during the 4 weeks?

Solve the inequality and graph 6j - 7 < 5

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d. y +14z

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.