The difference between 3 times a number and 21

Order from least to greatest 7/2 5/2 8/2

How many gallons of 25% alcohol and 5% alcohol should be mixed to obtain 20 gallon of 24% alcohol?

Y-3x=0+4x+3y=26 how do I do this with substitution

What is 6/27 + 11/36 =

Translate the phrase into a math expression. 15 divided by a number, then decreased by 2 a. (15 : n) + 2 b. (15 : n) - 2 c. 15 : (n - 2) d. 15 : (n+2)

A horse needs 1 cc of bute for every 500 Ibs. if the horse weighs 1250 Ibs, how many ml of bute need to be given

An average person in the u. s. eats about 17 gallons of popcorn each year. how many gallons of popcorn does the average person eat in 12 years write and solve an equation

Which of the following math sentences matches the description, "negative 9 is less than 9"? 1.) - 9 9. 3.) - 9 > - 9. 4.) 9 < 9

If you are asked to find 621 / 59 how do you know the quotient will be greater than 10 before you actually divide?

What is the variation constant for an inverse squared relationship where we know x = - 4 and y = 3? A. 16 B. 48 C. - 16 D. - 48