Which expression equivalent to 8 + n

William and 5 friends each bought 4 baseball cards. They now have a total of 54 cards. How many cards did each person initially have?

X+2x=9 what does x equal? and how do I get the answer?

Examine the system of equations, Y = - 1/4x - 2, x=4 What is the solution

The solutions to the equation - 4|x + 9 = - 8 are: A) 7, 11 B) 7, - 11 C) - 7, 11 D) - 7, - 11

What is 12 times 5 to the power of 7 divided by 2

Which measure is equivalent to 3 mi? 1 ft = 12 in. 1 mi = 5280 ft 440 in. 15,840 in. 63,360 in. 190,080 in.

Find the solution set for the given inequality if the replacement set for x is the set {1, 2, 3, 4}. 4x - 3 ≥ 5 a. {1, 2} b. {1, 2, 3, 4} c. {2, 3, 4} d. {3, 4}

The volume of sphere Q is 50% more than the volume of sphere P. The volume of sphere R is 50% more than the volume of sphere Q. Find the volume of sphere P as a fraction of sphere R. Write your answer in the form a/b

I half to use a table to find the answer to, pages read: 5. time in minutes: 20

If AB is parallel to CD and the slope of CD is - 8, what is the slope of AB?