I need this answer as soon as possible

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83