What is 30 percent of 20 in fraction form

Which of the following you takes place in the combustion chamber of a gas turbine engine? A. Fuel oil is mixed with a proper portion of compressed air. B. Fuel oil is stored with sufficient pressure. C.

What sample fairly represents the population? Check all that apply A. Measuring the heights of every fiftieth person on the school roster to determine the average heights of boys in the school B.

0.7% of what number is 49

Is the there whole numbers in - 57

Find the range of f (x) = - x + 4 for the domain {-3, - 2, - 1, 1}. {-7, - 6, - 5, 3} {7, 6, 5, 4} {-7, - 6, - 5, - 4} {7, 6, 5, 3}

A survey determined that 7/18 of the seventh grade students at Mills Middle School preferred round chocolate candies to hard candy. When Jennifer duplicated the survey, 1/9 of the students changed their preference from chocolate candy to hard candy.

Which situation is linear? A. A sample of bacteria is doubting every day B. The number of cars each hour on a road for a week C. The cost of a movie ticket increases five percent each year D.

Kari is flying a kite. She releases 50 feet of string. What is the approximate difference in the height of the kite when the string makes a 25o angle with the ground and when the string makes a 45o angle with the ground? Round to the nearest tenth.

The population of a city is 2,500. If the number of males is 240 more than the number of females, how many males and females are there in the city?

Which expression could be used to determine the cost of a $40 video game after a 15 percent discount?