Simplify square root 72 minus 3 times square root 12 plus square root of 192

a. 6 square root 2 plus 2 square root 3

b. 12 square root 2 plus 2

c. 14 square root 2

d. 8 square root 3 minus square root 1

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

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

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.