How do I add exponats with the same base?

Ex. Is there a short to x^a+x^b

Carlos purchased an antique chair for $15 he later so this year for $27 to an antique dealer what was the percent markup of the chair

Simplify the expression. 2[ (13-1) ^2 / 2]

Write the following comparison as a ratio reduced to lowest terms 3 quarters to 6 dollars

Jonathan takes a quiz and gets 45 questions correct what percent of questions did he get wrong what number is 39% of 377

Suppose the random variables X, Y, and Z have the following joint probability distribution. x y z f (x, y, z) 1 1 1 0.05 1 1 2 0.10 1 2 1 0.15 1 2 2 0.20 2 1 1 0.20 2 1 2 0.15 2 2 1 0.10 2 2 2 0.05 1. Determine the following: a. P (X=2). b.

Steven started with 48 pieces of candy. He ate 3 per day. y= How many pieces will be left after 7 days?

True or False. The function has a vertical asymptote at every x-value where its numerator is zero, and you can make a table for each vertical asymptote to find out what happens to the function there.

What is 36/4 as a mixed number

Bob has 2 apples he gives 1 to Sam. In return Sam gave him 5 apples. How many apples does bob have left?

The product is 80. One factor is 4. What is the unknown number