Multiply by 1.8 (9/5) and add 32
1000 g boxes costing 19.50
Find lcm of 28 and 36 which is 252. They will meet again in another 252 days.
You would most likely choose the purple one the answer is A and perimeter is 8
With graphs on paper you can visually see intersecting lines(one solution), identical lines
(infinite solutions), or parallel lines(no solutions).
This method works best for lines that have integers for solutions. The task of determining rational or irrational solutions from graphs is difficult.
The substitution method usually must be used for equations with higher exponents. The deawback of this method is having to work with fractions.
The elimination method is often the method of choice.
This method however requires that you learn to recognize when the systems produce parallel lines or have equations that represent the same lines.