A sample of 4 different calculators is randomly selected from a group containing 1212 that are defective and 3333 that have no defects. find the probability that at least one of the calculators is defective. round to the nearest thousandth.

The time it takes to deflate the air out of a spherical balloon is inversely proportional to the rate at which the air is released. The balloon can be deflated in 70 minutes when the air is released at a rate of 400 cubic centimeters per minute.

Two cards are chosen at random from a standard deck of 52 cards without replacement. What is the probability of choosing two kings?

Jason and his mother are re-tilling the kitchen floor. The area of the kitchen floor is 96.75 square feet. Each tile has an area of 1.25 square feet. How many tiles wil Jason and his mother need to tile the kitchen

A gallon of water weighs 8.345 pounds. Simon uses 11.81 gallons of water while taking a shower. About how many pounds of water did Simon use?

Suppose you own 60 shares in microsoft, which pay a dividend of $0.13 per share per year. How much will you receive in dividends over 5 years, assuming the dividends stay the same and you buy no more stock?

Xyz are in 3:3:6. what are the measures of the angles

Who has primary responsibility for verifying information on your bank statement to detect any fraud or errors?

Are the irrational numbers closed under multiplication?

You are spending $144 for new sweaters, T-shirts, and pants. Sweaters (s) cost $28, T-shirts (t) cost $14, and pants (p) cost $23, each. Which equation represents this situation? A. 28s + 14t + 23p = 144 B. 14s + 28t + 23p = 144 C.

What does 28 tens equal to