Yeah, this is from khan academy so plz ! will get marked as brainliest if answered correctly first

They are complementary angles, or answer (B).

Complementary angles add up to 90 degrees. In the figure, angles a and b are part of a right angle (denoted by the little square thing).

So, a and b are complementary.

the answer is complementary angles(b)

hope i helped:)

the best buy, is the 4- kilogram bag of lollipops for $18.40.

step-by-step explanation:

i found my answer by dividing the cost of each bag by their respective weights.

14.88 divided by 2 = 7.44

17.29 divided by 3 = 5.77

18.4 divided by 4 = 4.6

24.4 divided by 5 = 4.88

by this, i found that the 4 kilo bag is the best buy.

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.