Which of the following circles have their centers in the second quad Check all that apply.
O A. (x+12)2 + (- 9)2 = 19
B. (x+3)2 + (y-2)2 = 8
C. (x - 2)2 + (y + 7)2 = 64
D. (*- 5)2 + (y + 5)2 = 9

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

To start to solve the system of equations below, which number would you multiply in the equation -2x-5y=-1? the two equations are -2x-5y=-1 and 4x+2y=8