Mark owns a personal training business. He makes a total of $500 for every 3 clients he acquires. If Mark is saving to purchase $2,500 in new equipment, then how many clients will he need? i dont understand the answer please help

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Which of the following best describes the delian problem?

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?