In your notebook, set up the following addition using a vertical format and find the sum of the given polynomials. 3x 2 + 2x - 5 and -4 + 7x 2 a. -x2 + 9x - 9 b. 21x2 + 2x + 20 c. 10x2 - 5x - 1 d. 10x2 + 2x - 9

Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?