Find the slope of a line perpendicular to each given line.
y = -x - 1

Can someone pls ! pls answer all. no explanation needed..

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.

Consider the first four terms of the sequence below. what is the 8th term of this sequence?