Consider the following polynomials equations
a = 3: 2+ - 1)
b = -323 + 422 -2x + 1
perform each operation and determine if the result is a polynomial
is the result of a+b a polynomial?
is the result of a - b a polynomial?
is the result of a. b a polynomial?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left