To help solve the trigonometric inequality 2sin^2(x)+cos(2X) -2<-1

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)

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.