Does this table represent a function? why or why not?

a.
yes, because the x-values are positive numbers.

b.
no, because none of the y-values are the same.

c.
no, because each x-value is different.

d.
yes, because every x-value corresponds to exactly one y-value.

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Plz hurry evaluate the expression a+b where a=8 and b=19