How would i complete this equation?

(7a+3)+(-a-5)= -16

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?

Intro biblioteca sunt 462 de carti cu 198 mai putine enciclipedii si cu 47 mai multe dictionare decat enciclopedii cate enciclopedii sunt in biblioteca