Someone please help..

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Solve the equation by completing the square. x^2+2x=17

20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range