The function defined by d = 50 + 312t – 16r^2 gives the height in feet of a cannonball t seconds after the ball leaves the cannon. 1. What do the terms 50, 312t, and -16t^2 tell us about the cannonball?​

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

The only way to identify an intercept is as an ordered pair. true false

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