AB is parallel to CD and EF is perpendicular to AB. The number of 90 degree angles formed by intersections EF and the two parallel lines AB and CD is

What percent of the first 20 natural numbers are one-digit numbers?

Fraction is equivalent to 42/56?

Solve the following equation. Then place the correct number in the box provided. 2x < 6

A recipe requires a ratio of 4 potatoes and 6 carrots. You accidentally use 5 potato's with 6 carrots. What is the least number of potatoes and carrots that you can add to get the correct ratio of potatoes to carrots

What value of x is in the solution set of 3 (x - 4) ≥ 5x + 2?

In ΔABC, if AB = 10 and BC = 6, AC can NOT be equal to

You bought 0.875 kilogram of mixed nuts. What was the total cost, in dollars, of the mixed nuts that you bought.

13 is 26% of what number

A rectangular area of 36 f t2 is to be fenced off. Three sides will use fencing costing $1 per foot and the remaining side will use fencing costing $3 per foot. Find the dimensions of the rectangle of least cost.

How do you raise $7.50 by 20%