Christina drew a scale model of an Olympic-size swimming pool using a scale in which 3 centimeters represents 10 meters. If the length of the pool in her drawing is 15 centimeters, what is the length of the actual pool?

Write the equations in logarithmic form 9^4=6,561

X– 4 = 12.5 can be written in words as

Derek purchased a new gym membership. it costs him seven dollars a month plus two dollars for every time that he visits the gym. he wants to spend less than 25 dollars a month to visit the gym. write an inequality that models the situation using the variable v for the number of visits per month. also find the maximum number of visits he can make to the gym and still keep his cost below 25 dollars a month.