Her average speed = total distance / time taken = 120 / 2 = 60 km/h.
Answer:
Solve for O
by simplifying both sides of the equation, then isolating the variable.
O=y+7x/17
A^2 + b^2 = c^2
9^2 + b^2 = 12^2
81 +b^2 = 144
-81 (subtract 81 from both sides of the equation)
b^2 = 63
b = square root of 63
Answer:84 mi and 12 days
Step-by-step explanation:
It says it right there
A.Wrong its 2^8 as 2x4=8
B.wrong its 3^-10 and not its reciprocal
C.correct
D.correct
E.correct
F.wrong as 3x2=6
