You have a total of 32 coins, dimes and nickels, that are worth $2.55. How many of each do you have?

Why do interests rates on loans to be lower in a weak economy than in a strong one

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.