Answer: 5/6
Step-by-step explanation:
2/3=4/6
1/6 + 4/6 = 5/6
Answer: The formula is (b1 + b2)h+PH
Step-by-step explanation:
Decimal: Divide 16 by 25: 0.64
Percent: move the decimal 2 places to the left: 64, then add a percent sign: 64%
Answer:
The answer is "
".
Step-by-step explanation:
Pick a shirt first: 3 choices
Pick slacks next: 2 choices
Then choose a tie: 1 choice
Total:
outfits.
These will be similarly divided between the two slacks, so 3 black slack outfits of
. Similarly, the 6 styles are also divided between the option of 3 shirts. 2 blue shirt outfits 
To recognize that over outfits are a mix of a blue shirt and black slack, it would be twice many more to add
. Add
, and remove the chance for both the black slack shirt and outfit and are one of the six outfits:

It may be easier to start from
.. a(x +3)(x -1) = 0
.. a(x^2 +2x -3) = 0
The quadratic
.. ax^2 +bx +c = 0 will have solutions -3 and 1 for ...
.. a ≠ 0
.. b = 2a
.. c = -3a