Which expressions are polynomials?

Check all that apply

6 + w

Z + 1

Y^2 - 3 square root y + 4

2x^4-y

John wants to simplify the expression (5+3) to the power of 2. As a first step, he writes 5 to the power of 2+3to the power of 2. Will he get the correct value for the expression? If not, what should he do to simplify the expression

Determine the heat energy received per kilogram of steam produced

What is the median out of 3,5,6,7,9,6,8

During the day Sam spent $4.85 on lunch. He also bought. Two book for $7.95 each at the end of the day he had $8.20 left how much money did he start with

What is the difference between independent and dependent variables?

Julie spent 2/3 of an hour running and 5/6 of an hour swimming. How much longer did she swim than run?

Find all unique zeros of the function fix) 8x - 64x + 160x - 128-

132,554 round to nearest tenth

How many solutions are in the equation 16 (x+2) - 8=16x+24

London buys 3 more packs of trading cards today. each pack has 8 cards. write a multiplication sentence to show how many cards landon buys today. then find how many cards landon has now.