Angle B is 50 degrees, subtract 40 degrees from 90 because complementary means a total of 90
Answer: Choice C
There is no way to figure out if angle 4 and angle 7 are congruent. If we knew they were right angles, then we would be able to determine that. However, that isn't the case here.
Answer:
The present worth of the money is important to understand before dwelling into the true discount. Any money that is to be paid before the due date is cleared off for debt is known as the present worth of the money.
True discount can be understood in reference to this present worth. The difference between the present worth of the money and the amount is known as the true discount.
Also, it can be stated as the interest in any present worth for the amount of time the debt is due to be discharged
