Does anyone know how to do
donna's coffee shop makes a blend that is a mixture of two types of coffee. type a coffee costs donna $4.20 per pound, and type b coffee costs $5.30 per pound. this month, donna made 145 pounds of the blend, for a total cost of $659.90. how many pounds of type b coffee did she use?

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Explain how you divide powers with like bases.discuss why the bases have to be the same.how are these rules similar to the rules for multiplying powers with like bases.