Given the geometric sequence where a1 = 2 and r = √2 find a9 32 32√2 256 256√2

Which of the following three dimensional figures has a circle as it’s base

When you flip a biased coin the probability of getting a tail is 0.6. how many times would you expect to get tails if you flip the coin 320 times?

"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"