Which expression is equivalent to (4+6i)^2

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?