Given cos A = -7/√65 and that angle A is in Quadrant III, find the exact value of cot A in simplest radical form using a rational denominator.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

What is the total surface area of the square pyramid