The tree diagram below shows all of the possible outcomes for flipping three coins.
1st coin
2nd coin
3rd coin
Outcomes
1 1 1
1
III I
1
1
LIII III

1
1 1
1 1
H (HHH)
- (HHT)
- (H, TH)
- (H,1,T)
- TH, H)
(T. HT)
- (TTH)
-- (TTT)
What is the probability of one of the coins landing on tails and two of them landing on heads?

Plz hurry evaluate the expression a+b where a=8 and b=19

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.

Express -5 2/5 as an improper fraction.