Harper is making bows. Each bow is made from a piece of ribbon that is \tfrac{1}{2} 2 1 yards long. How many yards of ribbon would she need to make 2 bows? Express your answer in simplest form.

Use the multiplier method to incrases £258 by 43%

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?