Alison has some shapes. She has 14 red cubes and 10 red spheres. She has 12 black cubes and 8 black spheres. Alison is going to select 2 of these shapes. Of these 2 shapes only 1 can be red only 1 can be black only 1 can be a cube and only 1 can be a sphere. In how many ways can Alison select the 2 shapes?

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

i suppose it should be (y=2x-5)

step-by-step explanation:

thus, the first answer choice, y = sec x, is the correct one