Answer:
Simplify the expression.
t^/9
Step-by-step explanation:
The train's rate 140 mph. 700 divided by 5 equals 140.
Answer:
(-5,10)
Step-by-step explanation:
Answer:
Step-by-step explanation:
A. (x, y) is not an equation.
B. 2 + 7 = 9 Not a linear equation, as there is no variable.
C. 3x + 5 = 20 This is a linear equation.
D. y = 2x + 1 This is a linear equation.