Hi guys please help me im gonna cry because i dont get this and its due soon so if you helped thank u so much :c oh and i'll give u a brainliest 5 stars and a thanks if its right c: Sorry theres like no points :c

The expression for the total cost is given as

y=30+19.99x

Step-by-step explanation:

Initialization of variables

let y be the total charges

and let x be the number of hours

given that the parties fee is $30

and $19.99 per hour

we can model the expression as '

y=30+19.99x

Therefore the expression for the cost is given as

y=30+19.99x

b is the answer that makes most sense

step-by-step explanation:

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb