How can I prove that: abs (x+y) less than or equal to abs (x) + abs (y) ?

The admission fee at a small fair is $1.50 for children and $4.00 for adults. On a certain day 2200 people enter the fair and $5050 is collected. How many children and how many adults attended? SHOw your work

Sally has 15 marbles in a bag. 6 are blue, 3 are red, 4 are yellow and 2 are black. What is the probability that Sally draws a blue marble?

What is the GCF of, 33,22? I need this now.

Andy is hanging wallpaper in his kitchen. He is able to cover 2 2/5 of the walls in the room using 6 rolls of wallpaper. What is the number of rolls of paper used per wall?

Which of the following is the multiplication of inverse of 35/9

What is 14.1% of 232 mL and rounded to the nearest 10th

The Nelsons own a home whose market value is $132,000. Their municipality taxes at 70% and the rate is 80 mills or $80 per thousand. What will the Nelsons pay in taxes? $ a0

What operation is 20 - (7+4) x5

Josiah used the distributive property to simplify the multiplication problem 9 * 4.7. Which of the following statements is true about his work? 9 * 4.7 9 * (4 + 0.7) 9 * 4 + 9 * 0.7 36 + 9 * 0.7 36 + 0.63 36.63 He did everything correctly. He A.

In a raffle, Carlos buys 12 tickets and his friend Daniel buys 20 tickets. If there are 80 tickets sold, what is the probability that Carlos or Daniel will win?