Julie has 12 postcards from London. This is 30% of her collection. How many postcards does she have in her collection?

1/3 (12+X) = - 8 (6+X) Find x

For Madeline's lemonade recipe, 3 lemons are required to make 6 cups of lemonade. At what rate are lemons being used in lemons per cup of lemonade? Express your answer in simplest form.

A plane's engines start successfully at a given attempt with a probability of 0.75. Any time that the mechanics are unsuccessful in starting the engines, they must wait five minutes before trying again.

The area of a rectangle is represented by 3x^2-11x+6. Write an equivalent expression for the length and width. If x=12 what would the length and width be

Explain 81-16 in mental math

1meter = 1x10^9 in sicentific notation

Question 1 Janet has 3 ounces of strawberries to put on a pancakes. Janet wants to put 1/3 of an ounce of strawberries on each pancake. Find out how many pancakes Janet can put strawberries on. Explain how you found your answer.

The population of chicago is about 3,000,000. how does that compare to the total number of dead and wounded (37,000,000) in world war 1. (give your answer as a fraction)

Marvin is purchasing a $142,000 home with a 30-year mortgage. He will make a $17,000 down payment. Use the table below to find his monthly PMI payment Base-To-loans Fixed-Rate Loan 30 yrs 15 yrs ARM 2% + 1 Year Cap 30 yrs 15 yrs. 95.01% to 97% 0.

What is the prime factorization of 675 using exponents?