Write the first 5 terms
f(1)=45 and f(n) = f(n-1)-4 for each whole number n greater than 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)

Which ordered pair is the best estimate for the solution of the system of equations? the graph of the system of equations : y = 3/2x +6 and y=1/4x - 2 , -3) .5, -3.5) , -4) , -3.5)

The length of a rectangle is 40 cm longer than it’s width. the perimeter of its rectangle is 120 cm. find it’s width and length