Identify the coefficient of X 1. 2x

2. -5x

3. 49x

4. -6x²

5. 3xy²

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

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)

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a