Is a biased sample valid

Evaluate - x+| y | when x=1/3 and y=-7/4. Write your answer as a fraction in simplest form.

If it rained on 3 days ut of 20 days on what percent of the days did it rain

Use a scale to model and solve t+4=5

What is the product common factor of 4 and 10 and the least common factor of 4 and 10?

At the beginning of each year for 14 years, sherry kardell invested $400 that earns 10% annually. what is the future value of sherry's account in 14 years?

To find the area of a rhombus, you add the diagonals and divide by two Ture False

What is the measure of Angle y? A line comes out of a horizontal line to form angles 139 degrees and y degrees. 41° 49° 51° 61°

Patrick is doing a card trick using a standard 52-card deck with four suits: hearts, diamonds, spades, and clubs. He shows his friend a card, replaces it, and then shows his friend another card.

The temperature dropped 13 degrees in in 7 hours. the final temperature was - 2 degrees. what was the starting temperature?

What expression is equivalent to 18c^8 d^9/9c^3 d^6