Answer:
90 degree angle because a right angle is always 90 degrees
Always true because addition and subtraction is commutative
-6.2-(-3.96) = -2.24
-3.96-(-6.2)= -2.24
5.71+2.84=8.55
2.84+5.71=8.55
Hope this helped :)
Answer:
Yes
Step-by-step explanation:
If you graph it and you go to the point (2,9) then the line will pass it
Answer:
y=8
Step-by-step explanation:
the sum of the three angles is 180
57 + 90 + 5y-7 = 180
5y + 140 = 180
5y = 40
y = 8
Answer: No
Step-by-step explanation:
Because there is more than one 3 in the following ordered pair. If you make this a table it will be easier.
