Question

m=3, x=4, and b=9.
y=mx+b

Answer 1

Answer:

y is 21

Step-by-step explanation:

substitute the numbers in.

it would become. y=3×4+9. pemdas or order of operations states that multiplication is before addition. so u multiply 3 and 4 first.

y=12+9

then it's easy addition from there.

answer:y=21