Your brother is 1/3 your age. Your sister is 4 years older than your brother. Your sister is 9 years old. Write and solve an equation to find your age a.

What is 3.14 x 13 to the second power

What is (6x-3) + (8x-14) ?

A computer chip has two pins on one side. One pin is 4.0 * 10-3 inches long and the other is 2.5 * 10-3 inches long. What is the difference in the lengths of the pins?

What is the domain for the function f (x) = 3square root of x

Total of 78 baseball and football cards in a box. ratio of baseball to football cards is 8 to 5. how many baseball cards are in the box?

Bob needs to mix 2 cups of liquid lemonade concentrate with 3.5 cups of water to make lemonade. Bob has 6 cups of lemonade concentrate. How much lemonade can he make?

The temperature decreased overnight by 15.2°C to a temperature of - 12.8°C. Suppose t represents the temperature before it decreased. Which equation can be used to represent this situation? A. t - 15.2 = - 12.8 B. t + 12.8 = - 15.2 C. t - 12.8 = 15.

The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed, with mean of 3.2 pounds and standard deviation of 0.8 pound.

What is the surface area of a sphere with a circumference of 50 ft? Round the answer to the nearest tenth.

The table shows the prices for games and Bella soccer league. her parents and grandmother attend a soccer game. how much theu spend if they all went together in one car?