421,471 round to the nearest hundred thousand

2x - y + 3z = - 9 x + 3y - z = 10 3x + y - z = 8 find the ordered triple

Jessie orders boxes of 12 muffins for $8 each. The delivery cost is $9 regardless of the number of boxes ordered. Jessie has only $75 to spend.

Jessie has a piece of wood that is 8 feet long. He needs to cut pieces that are seven eighths of a foot long. How many pieces will he be able to make?

Timmykat is on the prowl. The kitten crusader has caught 5 bad guys already today and hopes to be able to catch 2.5 criminals every hour. What are possible amounts of hours that Timmykat needs to be on the prowl to catch at least 30 bad guys?

What value of x is the solution set of 2x minus 3 greater than 11 - 5x

Least common multiple of 2,5,6

15y + 6y - 3x + xy combining like terms

Janice's homeroom class has between 27 and 36 students. Exactly half of the students in her class have green notebooks, and exactly have pink notebooks. How many students are in Janice's class?

On Sarah's 16 GB flash drive, she can fit 16 video clips of about 1 GB each, two movies of about 8 GB each, or 4000 songs of about 4 MB each.

How are the graphs of f (x) = x2 and g (x) = - (x + 2) 2 - 4 related?