Darren bought a toy. He sold the toy to peter for 5/4 the price he paid for it. Peter then sold the toy to Allen for 2/5 less than what he paid for. Allen paid $12.45 for the toy. How much did Darren pay for the toy?

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation:

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

e. hinduismt religion first emerged on the indian subcontent