Why does nCn equal 1

What are some ratios equivalent to 15:18?

A taste tester has to rank three varieties of yogurt, A, B, and C, according to preference. Determine the sample space for the experiment.

What are the solutions to the equation 3 (x-4 (x + 5) = 0 x = 4 or x = 5 x = 3, x=4, or x=-5 x=3. x=4. orx=5 x = 4 or x=-5

What is the value of 9 - [42 - (3 + 2) ].

A teacher asked his students to vote for an animal to be their class pet. 5/18 of the students voted for a rabbit, 1/6 voted for a snake, and 5/9 voted for a hamster. Which statement is true? More students voted for a hamster than a snake.

A cereal box contains 8 1/4 cups of cereal. The nutritional information on the box defines a serving as 3/4 cups. How many servings does this box contain?

70%days in june were sunny how many days were sunny

A=1/2 (b+b+b) h. slice for h

What two numbers add up tp - 13 but when multiplied equal - 7

Contrast the way boys and girls are treated in Pakistan, beginning at birth. Malala's father places her name on the family tree. It is the first female name on the family tree in 300 years. Explain the symbolism of this bold act by her father.