Which are the center and radius of the circle with equation (x + 5)2 + (y − 4)2 = 9?
A. (−5, −4); r = 3
B. (5, −4); r = 9
C. (−5, 4); r = 3
D. (5, 4); r = 9

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?