David made 10 batches of muffins. He used 2/3 cup of milk in each batch. How much milk did David use?

sqrt3 tan 3θ + 1 = 0 find all solutions

Three friends decide to try a new diet. At the end of one month, Ada has lost 11 pounds. Her friend Dana has lost 8 pounds, and Kelly has lost 13 pounds.

You have 1,000 coins, and 995 of them are fair (equal probability of heads or tails). Five of them are weighted and have a 95% probability of landing on heads. You randomly choose one of the 1,000 coins.

If f (1) = 4f (1) = 4 and f (n) = f (n-1) ^2+4f (n) = f (n-1) + 4 then find the value of f (3) f (3).

How to find perimeter of A (-6,-4), B (-4,-4), C (-4,-2), D (-6,-2)

John played a note on his tuba that vibrated the air 120 times per second. If he played the note for 4 seconds, how many times did the air vibrate?

Alice is planning her next vacation. She budgeted 110 for travel expenses, and she expects to spend 120 each day for food and lodging. Her total budget for the trip is 710. How many days can Alice have for her vacation without exceeding her budget?

The annual interest on an 18,000 investment exceeds the interest earned on a 9000 investment by 648. the 18,000 is invested at a 0.6% higher rate of interest than the 9000. what is the interest rate of each investment

Martina, Brian, and Austin sent a total of 92 text messages over their cell phones during the weekend. Austin sent 8 more messages than Martina. Brian sent 2 times as many messages as Austin. How many messages did they each send?

33 + 15w = 3w - w + 4w