Which expression is equivalent to (3x2-7
(2x - 11)-(x2+4)
(522-6)-(2x2-1)
(10x2-4)-(7x+3)
(15x2 +8)= (18x2 +1)

What is the greatest common factor of 6a, 8a^{2}, and 14?

According to the data set, where should the upper quartile line of the box plot be placed?

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?