Answer:
y=2
x=3
Step-by-step explanation:
make x - y = 1 into x= y + 1
put that wherever x is in the other equation
so y + 1 + 2y =7. then combine like terms into 3y =6. then divide 6 by 3 so you get y = 2
then substitute 2 into the y in the equation x - y = 1 and you get x = 3
C is the correct answer, which is the larger the number of students Terrance surveys, better his estimate of the mean will be
Answer:
-115+20= -95 so, carmen is scuba diving 95 feet<u> below surface level</u>
Step-by-step explanation:
<u>below surface level </u> means negative
