Cory is a bird watcher he estimates that 30% of the birds he sees are american robins, 20% are dark eyed juncos and 20% are slnc sparrows. he designs a simulation.

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2