What do double brackets around an x mean?

Find the sum of a finite arithmetic sequence from n = 1 to n = 10, using the expression 3n - 8.

Factor the expression 20k+50 explain every step you did

What is a factor of 10 but not a multiple of 2

One serving of wheat square cereal has 7 grams of fiber, which is 28% of the recommended daily amount. What is the total recommended daily amount of fiber? Give your answer in grams.

A 6000 seat theatre has tickets for sale at $28 and $40. How many tickets should be sold at each price for sellout performance to generate a total revenue of $187,200 the number of tickets for sale $28 should be

A sample of 2,845 auto workers was selected to learn if they would go on strike. Over 50% of those in the sample declared they would strike.

If p=-2 and q=-5, is the value of p/q equivalent to 2/5

There are 190 students taking band, chorus, or both. If there are 180 students taking band and 60 students in both band and chorus, how many students are only in chorus?

Danny's jump rope is 6 meters long. How many millimeters is his jump rope?

there are 96 roses in a bed in the park. 25% of them are yellow, 1/6 are red, 1/8 are pink and the rest are white. find the number of roses that are red, yellow, pink and white