Pls help! will give brainlist! The graph above shows the costs for groups of multiples of 10 students to enter a museum. According to the graph, how much would it cost for 160 students to enter the museum?

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

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a. p.

Which of the following is an irrational number