If b = 3, then b^-2 is equivalent to

a)9
b)-9
c)-6
d)1/9

d is the correct answer right? ?

step-by-step explanation:

. your answer will contain x - and y -terms. (1 point) x ( ¿¿ 2 − 7 ) 2 +( y 2 − 9 ) 2 √ ¿ 12. what is the distance from the directrix (the crocodile river) to the point ( x , y )? write this equation. your answer will contain a y -term.

entering that problem on the tube might get you an answer