An earthquake produces 10 waves in 6 seconds. What is the period of the wave in seconds?

Evaluate the following expression 9 (-5a)

A magician asks you to pick a card, from which standard deck of 62 cards. What is the probability of picking an ace

The outside temperature was 8 degrees. A cold front dropped the temperature 11 degrees. What is the new temperature?

What are all natural number factors of 130

The mean of a set of four test scores is 79. If three test scores are 77, 79, and 85, what is the fourth test score? a. 83 b. 81 c. 79 d. 75

Dino works out for 1/2 hour every day if he does 6 different exercises each time he works out how long does Dino do each exercise

100 is 250% of what? i need to know fast

What is 2➗2 shoe work

Elle can buy 2 quarts of milk for $3 or 1 gallon of milk for $3 which is the better deal

The school cafeteria ordered macaroni and cheese for their monthly supplies. In the past 2 months they ordered 178 and 224 boxes for $105.02 and $132.16 respectively. Both times they had too much left over so this month they decided to buy 103 boxes.