What is the value of the first term in the following arithmetic sequence? -9, -2, 5, 12, ...

a. -9
b. 7
c. 9
d. -7

Which of the following describes the symmetry of the graph of y = x3?

Can some one explain this i got sent this. is this a threat i’m scared

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.