Using the unit circle, determine the value of sin 450°

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?

Aline with a slope of -7 passes through the points (u,0) and (8,-7) what is the value of u?

If f(x)=1/x and g(x)=x-2, which of the following is the graph of (fog)(x)?