Give the rule for rotating 270 degrees counterclockwise? (x, y)--> (-x,-y)
(x, y)--> (y,-x)
(x, y)--> (-y, x)

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1