Multiply.
x²+2x-3
.8+1
38-3
Y+2
Simplify your answer as much as possible.

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?