5x + 3y = -2 3x + 2y = -1 solve the system of equations. a) (-1, 1) b) (1, -1) c) (-1, -2) d) ( 1 3 , 1)

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

Prove that 16^4-2^13-4^5 is divisible by 11.