Delia wants to buy either a toy airplane or a toy truck for her little brothers birthday . the toy store has 8 toy airplanes and 12 toy trucks cl

how many ways can delia choose a toy for her brothers birthday ?

a) 20

b) 24

c) 48

d) 96

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?

How can you use synthetic substitution to tell whether a given binomial is a factor of a polynomial?

Analyze the solution below. 7 3 x = −2 7 3 x(3 7 ) = −2(3 7 ) x = − 6 7 what property was used to solve the equation? property of opposites division property of equality addition property of equality multiplication property of equality