At Olga's birthday party, of the candles representEd Olga's age, and 1/2 of the candles represented her sister age. If there was 40 candles on the cake, how many years separate Olga and her sister?

True or false 194827! = 1,378,817,921 T/F

18 less than 14 times a is 80

Which rates are equal? Choose 2. A. $28 per 8 salads B. $42 per 12 steaks C. $45 per 18 rolls of paper towels D. $57 per 20 boxes of rolls E. $26 per 10 bottles of soda

Ms. Taylor earned $18.50 per hour for the first 40 hours she works in a week. She earns 1 1/2 times the amount per hour for each hour beyond 40 hours a week. Last year Ms. Taylor worked 45.5 hours. How much money did she earn?

The amount of a radioactive isotope decays in half every year. The amount of the isotope can be modeled by f (x) = 346 (one half) x and f (1) = 173. What does the 346 represent?

Last Thursday was costume day at Wayne's school. 20 out of the 100 students at the school wore a costume. What percentage of the students wore a costume?

The library has at least 5,000 books. Which inequality represents the number of books, b, at the library? A - b> 5,000 B - b> 5,000 or equal to C - b< 5,000 D - < 5,000 or equal to

Explain what 78.5% would look like on a 100% block. Then write it as a decimal.

The house numbers on Carr Memorial Avenue follow a pattern. The first four houses on the left side of the street are numbered 8, 14, 20 and 26. How many more houses are on the left side of the street with numbers less than 50?

Rewrite the following linear equation in slope intercept form. Write your answer with no spaces. Y+4 = - 2 (x-1)