Acoin is tossed 10 times. find the chance of getting exactly 5 heads. find the chance of obtaining between four and six heads inclusive.

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Solve the system of equations. y= 2x y= x^2 - 15

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i