90% finish a race, of those 30% are men. If 270 are men. How many started the race

7. The value of y varies directly with x, and y = 8 when x = 2. Find y when x = 10.

Simplify and combine terms 9x+6-4x-2x+1-15

Evaluate 48 + 24 : 8 - 22. 47 51 55 64

If the area (in square units) of the region under the curve of the function f (x) = 4 on the interval [1, a] is 20 square units, and a > 1, then what is the value of a? Answers to choose from is: a) 5, b) 6, c) 8, d) 9.

Sam ate a total of 13 hotdogs. He ate 2 hotdogs every 4 minutes. How many minutes did it take for Sam to finish all 13 hotdogs?

Which describes the pedestrian crossing sign shown? The sign is a trapezoid because exactly one pair of opposite sides is parallel.

Which is greater 5 pounds or 85 ounces

2x+5y=20 in slope intercept form

There are 550 students at Green County Middle School and 220 of them ride the bus to school. What percent of the students ride the bus?

GCF of 3y^2 - 21y + 36