Is 11/12 a rational or irrational number

Two buses leave towns 948 miles apart at the same time and travel toward each other. One bus travels 10 mi h slower than the other. If they meet in 6 hours, what is the rate of each bus?

Which value for x makes the open sentence true? 5 + 4 • x = 32 + x2

The first step in determining the solution to the system of equations, y = - x2 - 4x - 3 and y = 2x + 5, algebraically is to set the two equations equal as X? - 4x - 3 = 2x + 5. What is the next step? Set y = 0in y = - x? - 4x - 3.

What is the gcf of the polynomial 9x-27y+9

In a certain company, 30 percent of the men and 20 percent of the women attend night school. if 40 percent of all employees are men, what percent of all the employees attend night school?

Simplify the expression 4x^5y^3x3x^8y^7/6x^4y^10

If you know the ratio of inches to centimeters is 1 to 2.54, how can you find the number of centimeters equivalent to 9 inches? What is the relationship between centimeters and inches?

If f (x) = - 3x4 - 2x3 + 3x2, and g (x) = 3x4 - 4x3 + x2 then f (x) + g (x) = A. 2x3 - 2x2 B. - 6x3 + 4x2 C. - 3x4 - 6x3 + 4x2 D. 3x4 + 2x3 - 2x2

How do i solve this 2x+y=2 - 2x-5y=14

Using side lengths only, could the triangles be similar? Triangle X Y Z. Side X Y is 1.5, X Z is 1, Z Y is 2. Triangle Q S R. Side Q R is 1, R S is 1.5, S Q is 0.5.