How do I simplify this? - 4k - 13 + 6k + 23

What is the value of k? 0.5k+6=4k-8

The perimeter of a square is 1/4 yard. find the length of each side in feet

John is trying to determine the length of the staircase he will need for a deck that is 12 feet high he wants to start the stairs 21 feet from the deck

Yoon has a number of dimes and quarters that she wants to put into roles. She has 124 coins that add up to $20.50. If one role of quarters is 10 dollars, how many extra quarters will she have that won't fill up a role?

Mrs. chin paid a 20 percent tip on the bill for lunch. if the tip amount was $2.75, what was the bill for lunch before the tip was added to it?

An attorney charges a fixed fee of $250 for an initial meeting at $150 per hour for All Hours worked after that. Write an equation in slope intercept form for the total fee of $2200.

If the probability that a person wears glasses is. 36 in the probability that a person is afraid of charges. 61 what is the probability that a randomly selected person will wear glasses and be afraid of sharks

Simplify the expression. Use the varbiables, numbers, and symbols that are shown. Drag them to the appropriate box in the polynomial. Use standard polynomial format. X (2x+3) + (x-3) (x-4)

How to order 1/5, 1.35,-0.2 from least to greatest

The stem-and-leaf plot lists the ages of people in a movie theater. How many people in the movie theater are over the age of 30? Enter your answer in the box.