Answer:
3x45y+3+4
Step-by-step explanation:
Yes they are equivalent. For the first one you reduce the second equation by 2. For the second pair you reduce the second equation by -3.
Answer:
ok so to do this you line them up like normal then always remember to make sure your decimal is in the right spot if you need more help there are many easy solutions online also if you need more help you can always send me a picture of the question or tell me it and it will make things a lot easier :)
Step-by-step explanation:
45 degrees.
180 degrees in one triangle.
90 is a right angle.
45 for each of the other angles. Add them together you get 90.
Two 90 degree angles will get you a right triangle.
hope this helps