X + (-9) + 9 = 8 solve the equation using mental math

11) Matthew goes hiking every 12 days and swimming every 25 days. He did both kinds of exercise today. How many days from now will he go both hiking and swimming again?

The quantity represents a real number. find any restrictions on x. (if there are no restrictions, enter none for each answer.)

What is the volume in cubic feet of a box that is 3ft long 8ft wide and 16ft high

Mr. Lee bought 5 1/2 pounds of chocolate for his store. He wants to separate the chocolate into 1/2 pound bags. How many 1/2 pound bags can you make?

How to write 2.789 in word form

If 7 times a certain number is added to 12, the result is 47

How solve - 3n - 6n = 18

A metal alloy is 25% copper. Another metal alloy is 50% copper. How many grams of the 50% copper alloy should be used to make 1000 grams of a metal alloy that is 45% copper?

Write the function as a set of ordered pairs. Give the domain and range of f. f (1) = 10 , f (2) = -3 , f (3) = 3

Perdo bought 8 tickets to a basketball game. He paid a total of 208. Write an equation to determine whether each ticket cost 26 or 28.