Chemical equations must be balanced to satisfy ___.

the law of definite proportions

the law of multiple proportions

the law of conservation of mass

Avogadro's principle

Ordered pair is a solution of equation y=3x-7

The school uses between 300 and 400 sheets of paper per school day. If paper costs the school $2.00 per 100 sheets, approximately how much does the school pay for paper every month? (Remember to only count school days!) A. $140.00 B. $190.00 C. $170.

A girl has 32 pages in her book. if she read 1/4 of them, how many pages has she read, and how many is yet to be read

Factor out the coefficient of the variable 3n - 24

Carpet cost 9.99 yard. bought 17.4 yards. how much did it cost

Already bought 854 acres of land for development if 62 acres of his purchase is reserved for a park how many 3 acres building lots are able for sale

Which equation describes the relation indicated by the table? X = - 2,0,1 y=-6,2,6 a. y=4x+2 b. y = 2x + 4 c. y = 2x-2 d. y = x-4

Tematic already has 55 dollars in her saving account. If she luys 5 dollars a week in her account how many weeks she must save to have at least 100 dollars on her account

There are 5,280 feet in one mile how many feet are in 143 miles?

a farmer has 480 feet of fence to enclose a rectangular area. what dimensions for the rectangular result in the maximum area enclosed by the fence what us the length and width?