Determine whether the formula describes y as a function of x. y = -3x2 - 7x - 6 explain your reasoning

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)

Percent increase and decrease. original number: 45 new number: 18

Solve the equation. 2x - 8(x+1)= 6(2x - 3)