20% of the cells in an organism for dyed purple there for 15 purple cells how many cells are there in all

You roll two number cubes. Let event A = You roll an even number on the first cube. Let event B = You roll a 2 on the second cube. Are the events independent or dependent? Why?

A board game has 25 cards, each printed with a number from 1 through 25. Sameer shuffled the cards, and then selected 1 card.

Tia cut a 4 meter 8 cm wire into 10 equal pieces. Marta cut a 540 cm wire into 9 equal pieces. How much longer is one of martas wires than one of tias

What are the solutions to the equation Y to the second power minus 1 = 24?

Round this to the nearest thousand. 4,589,215

Would the margin of error be larger or smaller for 80 % confidence? Explain. A. To be less confident, the interval needs to contain the true proportion more often, so the margin of error would be smaller. B.

A survey is being conducted in a city of 1000, 000 residents. For that purpose, a random sample of size 1000 is chosen. The survey is conducted by choosing people one at a time, with replacement and with equal probabilities.

What is the constant term in the expression 8xy - 9x2 y - 5x + 6? - 9 - 5 6 8

How many pounds of nuts selling for $9 per lb and raisins selling for $3 per lb should a person combine to obtain 150 lb of a trail mix selling for $5 per lb?

Marty buys a bicycle for$350 reduced from $402,50 what is her percentage saving