I think because the angles are corresponding/opposite to each other u equate them to 180°
7 and 9
7^2=49
9^2=81
49+81=130
Answer:
It has no perfect square factors, unless you count 1 = 1^2. That's sort of a degenerate case we don't usually count, since every integer has that factor. We would usually say that 1290 is a square-free integer. Hope this helps!!
To subtract fractions, find the LCD and then combine.
Answer is: -3
30 dollars would be spent for 10 lunches.
