How many square feet is a 16x16 foot square?

Apple pie is removed from 350 degree oven. temperature of the pie t minutes after being removed id given by the function t(t)=72+268e-0.068t

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Which of the following circles have their centers on the x-axis? check all that apply.