How do I solve system of equations by graphing?

Which algebraic rule describes the transformation? A) (x, y) → (-x, y) B) (x, y) → (x, - y) C) (x, y) → (-x, - y) D) (x, y) → (-y, - x)

1/2 divided by 1/3 and simplified

The ratio of length to width is 2:3. Fine the length of the rectangle when the area is 150 in.^2

Which equation graphs as a vertical line with an undefined slope? A) y = 3x B) x = 2 3 C) y = 2 3 D) y = - 2 3 x + 1

Find a polynomial f (x) of degree 3 that has the following zeros. 0,-8,3

Ella runs a cat rescue center. She started with 2 cats, and her center has an increase of 5 cats per year.

Round 2874992 to nearest 10000

Decide whether a discrete or continuous random variable is the best model for each of the following variables: (a) The time until a projectile returns to earth. (b) The number of times a transistor in a computer memory changes state in one operation.

The rquation of a citcle is x^2+y^2=16 what is the radius of the circle

BETH and Carley are selling candy bars to raise money for new cheer outfits. Beth has sold one less than twice the number of candy bars carely has sold. If they have 188 candy bars in all how many has Beth sold?