18 students in a sixth grade have brown hair. These students represent 3/4 of the class. How many students are in the class?

A bag of marbles contains 3 blue, 4 green, and 3 red marbles. If you take out 2 marbles, what is the probability that they are both green? (Enter your answer as a fraction.)

A local restaurant purchased 45 pounds of flour at a total cost of $38.25. Determine the unit cost per pound

1 1/4 as a improper fraction

A triangle has two angles measuring 90 and 50%, calculate the third angle of the triangle, a 50 C. 45 b. 40% d. 750

If the temperature is 7 degrees below zero and then rises 3 degrees, will the final temperature be positive or negative

Which is smaller? 7/12 1/2 2/3 4/10 1/6

Solve the inequality for x: - 3 (2x+5) < - 45

What is the value of x? 3 (x-2) + 5x=18

If x = 10, which lines are parallel? Check all that apply.

Area & perimeter of L shapes