Answer:
30*d
When you are making your equation it has to work for everything so you use a variable.
Answer:
4 miles per hour is the speed
Answer:
=21+11x
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
(3 x -3) equals -9, -9 x -2 equals 18 since the negatives cancel each other out.
