Answer:
b, since the others have the input and output on the wrong sides
Answer:
58 in
Step-by-step explanation:
38 divided by 19 = 2
20 divided by 2 = 10
19 x 2 = 38
10 x 2 =20
38 + 20 = 58
Rebecca has 21 math problems
She has solved none....
2-7=-5
You cannot solve negative five problems
Answer: 0