Answer:
Picture of problem?
Step-by-step explanation:
Answer:
33 gallons
Step-by-step explanation:
44/20 = 2.2
$2.2 per gallon
2.2x15
A = LW
Divide both sides by L (To isolate W)
W = 
They added it wrong. They added it like this:

When it shouldve been this:

They just added a place marker in all numbers below 100.
A.) a right triangle would have 2 acute angles.
b.) there would be 0 obtuse angles.
c.) there would be 1 right angle.
In the diagram you can see a little black box in one of the corners of the triangles. That box means the angle is a right, 90 degree angle. Since an acute angle is an angle that is less than 90 degrees, and since all three angles would have to add up to 180 degrees, you know that the other two angles are acute angles.