This question asks for distribution, which can be done by multiplying; then adding to the total. -10(1-9x)=90x-10 6(x-10)=6x-60 (90x-10)+(6x-60)=96x-70 (same thing as -70+96x) So, the answer is D. -70+96x Have a nice day! ♪
A scalene triangle is one whose sides are all a different length. So there is no way you can find the length of b when you are only given the length of a and the perimeter.
