Use doubles minus one to solve 8+7 write the number sentences

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

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. after tax the total is 45.99. what percentage of the subtotal is the total?

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?