Which expression represents the number of possible combinations of n items taken r at a time?

Which of the following statements is true? a. instantaneous acceleration is always changing. b. an object at rest has an instantaneous acceleration of zero. c. and object that is accelerating is always changing direction. d.

Explain why there ia 1/3cup of fruit in half a smoothie

Jake had 2.95 mL of a liquid. He added more liquid and now has 3.56 mL. How many mL of liquid did Jake add? Enter your answer in the box.

Puppy A weighs 8 pounds, which is about 25% of its adult weight. What will be the adult weight of Puppy A?

5% of what number is 1

melania walked her dog 2 1 / 5 miles. cqthy walked her dog 1 3/4 times as far as melania did. how many more miles did cathy walk her dog

6h + 4 = 8 solve for h

Which number is equivalent to the fraction 18/5? A. 5/18 B. 3 C. 3 3/5 D. 2 8/5

Anna buys bananas, grapes, and apples. She buys twice the amount of bananas as grapes. She buys 2 more pounds of apples than grapes. Altogether, Anna bought 14 pounds of fruit. How many pounds of each fruit did she buy?

A high school band of 100 musicians went on a trip to New York. They are staying in 3 hotels. Are the same number of musicians staying in each hotel?