Which is an equation for the direct variation that includes the given data?
x
5
10
16
2040
a xy = 2
by = 2x
c y = 5x
d y = 8x
оа
о
с

What is the missing constant term in the perfect square that starts with x^2 -20x

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia