What is the value of f (12) - f (8) when f (x) = 3x+9

Lana has 18 pencils, 24 erasers and 36 crayons that she wants to put evenly into her pencil boxes. If she put the same number of each type of item in her pencil boxes, what is the most number of pencil boxes will she fit

Lauren's first cell phone bill of $72.75 included an activation fee of $36 and a charge of $0.25 for each minute used. The situation is represented by the equation below, where x equals the number of minutes used. 0.25x+36=72.

Why did the scientist create an exact duplicate of himself

Cara and her brother take a numbered spinner from a board game and use it to determine who will get to play with their new puppy first. Cara spins, and then her brother does. Are these two events dependent or independent?

What is the approximate value of x in the equation below log3/4 25 = 3x-1

If AD/DB = AE/EC, then line segment blank is parallel to line segment blank

elise reads at a constant rate. she can read 6 pages in 14 minutes. what is the number of pages, y, elise can read in x minutes? (write an equation)

A Dog Sled Driver Added More Gear To The Sled Doubling Its Weight This Felt Too Heavy So The Driver Removed 20 Pounds To Reach The Final Weight Of 180 Pounds Write And Solve An Equation To Find The Sleds Original Weight Describe How You Could Find

How do you write 120% as a decimal and as a fraction

Find the derivative of the function. y = √ (11x + √ (11x + (√11x)))