How do polynomials demonstrate the closure property under addition and subtraction?

The sum of the digits is 11. The tens digit is one less than three times the ones digit. Find the original number]

Shawn drew a rectangle that was 2 units wide and 6 units long. draw a different rectangle that has the same perimeter but a different area.

The dry cleaning fee for 3 pairs of pants is $18. a. What is the constant of proportionality? b. How much will the dry cleaner charge for 11 pairs of pants?

The sum of 10 and a number divide by four is 17. find the number

Angelo ride his bike around a bike trail that was 1/4 of a mile long. he rode his bike around the trail 8 times. Angelo says he rode a total of 8/4 miles

Find the least common denominator of each fraction, show all of your work: 1/3 and 3/4

Sabrina has designed a rectangular painting that measures 65 feet in length and 30 feet in width. Alfred has also designed a rectangular painting, but it measures x feet shorter on each side. When x = 3, what is the area of Alfred's painting?

Miko's restaurant bill was $16. She used the expression 1.18 (16) to find the total cost, including an 18% tip. Which expression is equivalent to the amount Miko paid? (1+0.18) 16 (16+0.18) 16 16 + 1.18 1+0.18 (16)

There are 8 Apples and some bananas on the counter. Someone buys 3 apples. Now there are 4 more bananas than apples. How many bananas are there?

You sold the most for your school's fundraiser so you get to enter the cash vault. There are $1, $5,$10 and $20 bills. The probability of picking a $1 bill is 48%, a $5 bill is 26%, a $20 bill is 10%. What is the probability of picking a $10 bill?