Stacy rowed across the lake with her friend rainey (in the same boat) at a rate of 4 mph. rainey then rowed back at a rate of 3 mph. if the lake is 6 miles across, how long did it take them to complete their trip?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Sara has 2 2/3 cup taco meat. she needs 1/6 cup to make one taco. how many tacos can sara make with the taco meat she has?

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .