How many combinations of 4 students can a teacher choose from 30 students? A. 27,405 B. 120 C. 657,720 D. 810,000

56% of the students who took the test were girls. There were 126 girls that took the test. Work out the total number of students that took the test.

Evaluate the expression 3 (2-1) + 2 + - - 7 for x = 3 Step 1: What is the first step for evaluating this expression?

What's the sum of all the integers between √3 and √89?

How are the expressions 1/4 of 12 and 12:4 related

What is the answer? (5116^4*236) : 517^2

What is the missing number in 12,24,72,288

Bernice used 1 and 1/4 of a recipe to make tortillas. if the recipe calls for 2/3 cups of flour, how much flour did she use?

0.27 (repeating) into a fraction. Simplify if needed.

Billie and Toni are driving from Chicago to Phoenix. The first day they drove 420 miles. They want to drive at 65 miles per hour for the rest of their trip. a. Write an algebraic expression to represent the situation. b.

Factor k squared - k-56