Answer:
The correct option is A.
Step-by-step explanation:
Let the vertices of the triangle be ABC.
Draw a perpendicular on AC from B. The height of triangle is represented by the altitude from B.


Area of the triangle is




Therefore option A is correct.
9514 1404 393
Answer:
t < 8
Step-by-step explanation:
The total fee for t hours is ...
13 +4t
The Chemistry Club wants this t be less than $45, so the restriction on t is ...
13 +4t < 45
4t < 32
t < 8
The Chemistry Club could rent the room for less than 8 hours.
Well there are 12 marbles in total. If you select one green marble, you have 11 marbles in total. There are 4 blue marbles. So you have a 4/11 chance of selecting a blue marble or 36% probability of getting a blue marble.