Add the two expressions.

-2.4n-3 and - 7.8n+2

Round your answer to the nearest hundredth. A flower garden is 11.25 meters long. Mr. Owens wants to make a border along one side using bricks that are 0.25 meters long. How many bricks does he need?

How do I solve 4^x=19?

What is the meaning of the unknown factor and quotient

Firms are increasingly asking applicants to submit to drug tests. 10% of all applicants are drug users. Suppose that drug tests that are used to identify whether a randomly chosen person is a drug user or not are accurate only 98% of the time.

If a = 5, b = - 3, and c = 2, evaluate a - b (c - a)

40% of OatyPop cereal boxes contain a prize. Hanna plans to keep buying cereal until she gets a prize.

Suppose 12% of the students chose to study French their freshman year, and that meant that there were 21 such students. How many students chose not to take French their freshman year?

If the social media has 7000000 members today how many will they have in 4 years

Determine algebraically whether the function is even, odd, or neither even nor odd. f as a function of x is equal to 14 times the cube root of x

Mrs. Miller wants to estimate the widths the steps in front of her house. Best bench mark for her to use is?