If D is the midpoint of BA and E is the midpoint of BC, what is the formal geometric name for DE in ABC ?

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Find the 6th term of the expansion of (2p - 3q)11. a. -7,185,024p4q7 c. -7,185p4q7 b. -7,185,024p6q5 d. -7,185p6q5 select the best answer from the choices provided a b c d