Who is gabriella8671 she deleted everyone stuff and deleting mine

2-digit numbers less than 91 which are 1 less than a multiple of 10

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Abcd is a square. what is the measure of angle bac