Find the sum of the first 21 terms of the arithmetic sequence 5, - 2, - 9.

A display has 6 packs of marbles with a total mass of 629g. The packaging of each pack has a mass of 2/3g and each marble has a mass of 4 1/2g. Which equation can we use to determine m, the number of marbles per pack? A. 6x4 1/2m+2/3=629 B.

A trail is 3888 miles long. It begins in city A and ends in city B. Ma Fred has hiked 2/9 of a trail before. How many miles has he hiked?

You set your entertainment budget to $100 per month. eating out cost $35, movies cost $15, and concerts cost $60. can you eat out, go to a movie, and go to a concert in the same month while staying within your budget?

Ava put 10 spoons of sugar in 5 coffees. How many spoons of sugar does Ava put in one coffee

The ticket was 300 dollars. Now the cost is 375. What percent increase. what would be the percent increase if the airline charges 50 dollars baggage fee withe the new ticket price

K/2+1/2=3 Solve for K

Roger has 4 gallon of juice. He puts the same amount of juice into each of 5 pitchers. How many gallons of orange juice are in 1 pítcher

A cylinder with a radius of 4 yd and a volume of 80yd (find the height)

Approximate the value of √22 to the nearest hundreth

Give AB=19mm, BC=14mm, and AD=51mm, find the length of CD