Answer:
2.
Step-by-step explanation:
Since 3 hours and $15 an hour
Answer: The graph is stretched.
Step-by-step explanation:
Maria = x
Tom = y
Use substitution
x+y=30
2y=x
2y+y=30
3y=30
y=10
Tom is 10 years old.
x+y=30
x+10=30
x=20
Maria is 20 years old.
Answer: the lines on the outside mean absolute value and the absolute value of -3 is 3
Step-by-step explanation:
Process efficiency is a measure of the ratio of process outputs to inputs.
