(2,12) , (4,7) -> coefficient is negative, because the x-coordinate is increasing and y-coordinate is decreasing
(4,7), (5,4) -> coeficien is negative too - look above
Answer: -4
Step-by-step explanation:
Once you graph it, the solutions are where the graph meets the x axis.
This is at -4 and 9.
The length of a table, the width of a classroom, and the length of a car can be easily measured without using trigonometry (could probably use a meter stick or measuring tape) because we can easily reach both ends
the width of a wide river is a little different, it may not be practical to measure the distance across directly.
Answer:
Step-by-step explanation:
Let her brother's age be x
Sarah is 2x + 4