Choose all sets that contain the number -9.99
a. real numbers
b. whole numbers
c. irrational numbers
d. natural numbers
e. rational numbers
f. integers

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Tim earns $120 plus $30 for each lawn he mows.write an iniqualityvto represent how many lawns he needs to mow to make more than $310