a coin bank that accepts only nickels and dimes contains $9.15. there are 3 more than twice as many nickels as there are dimes. how many of each coin are in the bank? solve the problem by using an equation

What is the value of x in the equation7x+2y=48 when y=3

Which shows how to solve the equation 3/4x=6 for x in one step?

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)