A roll of ribbon holds 6.75 meters. A craft club buys 21 rolls. How many meters of ribbon did the club buy?

What is the total cost if the ribbon sells for $2 per meter?
solve whith a pic or say what you did pleas it will be good if you send a pic of your work

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

How do i put 3(x+7) in distributive property

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.