The cost is a linear function of the number of days. which statement is true ?

49xy +34y - 72z. determine the degree of the polynomial

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)

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.