Jason pays a $100 installation fee and a $40 monthly service charge for his telephone. which equation shows the amount that jason pays for x months of telephone service.

Five more than the product of a number n and 8 is at least 100. write an inequality that can be used to find all positive values of n

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)

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?