Answer:
-9
Step-by-step explanation:
a(2) = a(1)+4 = -13+4 = -9
Step-by-step explanation:
hypotenuse =

Answer:
9.76 pages
Step-by-step explanation:
multiply 3.6 times 2 to get 7.2. Then multiply 3.6 times .71 to get 2.56 then add 7.2 and 2.56 to get <u>9.76</u> as your answer.
Try the Pythagorean theorem,

. Does

? If it does, you have yourself a right triangle. If it doesn't, then it isn't a right triangle.