Tina and three of her friends are in line with different amounts of money. the first person in line had $775. if the amount tripled for each of tina's friends, how much would they have altogether?

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units