Match the quadratic f(x)=(x+9) -3 to the correct minimum value

A-9
B 3
C 9
D-3

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)