Why do different results occur when adding or multiplying rational and irrational numbers?

What should be filled after 5470890

Clair has250 pennies some pennies are in a box the rest are in her bankthere are more then 100 pennies in each place how many pennies can be at each place

What is the answer 21 11/12 + 17 2/3 : P

Afon read 22 1/2 pages in 30 minutes. Find the number of minutes read per page and the number of pages read per minute.

A baker uses a rectangular baking tray that is 26 in. long and 10 in. wide. What is the area of the baking tray?

List the partial products of 35 times 7

The hypotenuse of a right triangle is 26 mm. One leg of the right triangle is 10 mm. What is the length of the other leg? 80 mm 20 mm 24 mm 28 mm

20 hours of work over 4 days rounded to the nearest tenth

Your cousin, who is planning her wedding, is working on the seating chart for the reception. She is trying to decide which 6 people should be seated at the table closest to the head table. She has narrowed her decision down to a list of 10 friends.

Solve the following system of equations express your answer as an ordered pair in the format of (a, b) with no spaces between the numbers of symbols? 2x+5y=16 -5x-2y=2