Hi, prove that (AXB). (CXD) + (BXC). (AXD) + (CXA). (BXD) = 0

How to calculate the surface area of a cylinder

What is 3727/100 in simplest form?

A cubic meter of water has a mass of 10 kilograms. How much water is this in grams?

What is - (11x) to the zero power

The ski mountain is a popular winter holiday vacation spot. This year the students at university and students at university both planned trips there. The students at university A rented and filled 16 vans and 8 buses and 752 students.

Suppose that 13 inches of wire costs 65 cents. At the same rate, how much (in cents) will 27 inches of wire costs.

In right ∆ABC, m B = 90°, m C = 40°, and BC = 10. What are the other two side lengths of the triangle?

To pass a math test students must answer at least 0.6 of the questions. Donald's score is 5/8, Karen's score is 0.88, Gino's score is 3/5, and Sierra's score is 4/5. How many of the students passed the test?

Yolanda's class has 40 members. The teacher will not give a test unless at least 80% of the class is in attendance. How many class members must be present in order for the teacher to give a test?

If lemonade costs 1.5 cents per ounce, what is the cost per pint?