Diego's mother is twice as old as he is. She is also as old as the sum of the ages of Diego and both of his younger twin brothers. The twins are 11 years old. Find the age of Diego.

Answer these two questions: 1. Round to ONE decimal place: 5.6498 2. Which digit is in the tens place? 10.63

Solve for x. 4 (7x+6) = 13

The volume of a cone is 75π cm3 and the height is 9 cm. What is the radius of the cone? A. 15 cm B. 5 cm C. 25 cm D. 10 cm

Suppose your school costs for this term were $6800 and financial aid covered 75% of that amount

A subscription to the Daily Planet costs $19 per month for delivery every day, or $15 per month for delivery every day except Sunday. How much does it cost to receive the newspaper everyday for a year?

Kylee bought a pack of 12 cookies. one-third if the cookies are peanut butter. How many of the cookies in the pack are peanut butter?

How do you know the opposite of a nonzero integer?

The mileages of cars in a fleet of cars are normally distributed with a mean mileage of 52,000 miles and a standard deviation of 2,000 miles. What is the probability of randomly selecting a car with a mileage less than 52,000 miles?

Round 12,406.4578 to the nearest thousands

Juanita bought a square calculator that has a measurement of 8.2 sq cm on one side. What is the area of the calculator?