When two triangles are congruent they will have exactly the same three sides and exactly the same three angles. The equal sides and angles may not be in the same position (if there is a turn or a flip), but they are there. So in other words no matter what way it is flipped or anything else that does not change the numbers on the sides it is congruent.
Nowhere there was no additional dollar. The $30 minus the $2 the waiter kept and minus the $3 he gave back. $3+$2=$5, which would be $30-$5=$25
Subtraction. both numvers
It’s B, -7x is the rate of the water decreasing while 300 is the starting point.
