The period I (in seconds) of a pendulum is given by T = 27/5), where I stands for the length (in feet) of the pendulum. If 1 = 3.14, and the period is 15.7 seconds, what is the length?
The length of the pendulum is
feet.
The solution is

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax