Remember.
positive number x positive number = positive number
positive number x negative number = negative number
negative number x positive number = negative number
negative number x negative number = positive number
So if both numbers have the same sign, either both positive or both negative, then the product will be positive.
You need to use the equation (secant)(exterior)=(secant)(exterior).
Learned about this today.
13.5 because 4.5 times 3 is 13.5
Umm just do the problem with 7 in the place of N
