When you sample the first individuals you can find, you call it a ; it's cheap and easy to do, but statistically not a very strong method.
a.
cluster
b.
stratified random sample
c.
convenience sample
d.
cluster sample
e.
simple random sample

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6