find two numbers such that if 7 is added to the greater, the answer is four times the smaller number while 28 is added to the smaller number is equal to twice the great number

Select the number of ways in which a line and a circle can intersect

Which of the following represents the factorization of the trinomial below? x^2+7x-30

In the next 10 month,colin wants to save $900 for his vacation.he plans to save $75 each of the first 8 months. how much must he save each of the last 2 months in order to meet his goal if he saves the same amount each month ?