Answer:
Step-by-step explanation:complementary angles
Answer:
$42.75
Step-by-step explanation:
18.80+23.95=$42.75
Answer:
P (A and A) =
= 
P (A and B and C) =
= 
P (B) = 
P (C) = 
Step-by-step explanation:
The word AND means multiplying the probabilities of getting each outcome. And since we are replacing tiles each time we draw one, the denominator, or the number of total possible outcomes, remains 9 throughout.
Answer:
D is the answer
Step-by-step explanation:
D is the answer because they don't go opposite ways on a graph (Ex: going higher and lower)

in case you wonder why we used 105 as LCD,
21 = 3 * 7
15 = 3 * 5
the "3" is common to both denominators, so we "use it once" and our LCD is then 3 * 7 * 5.