In the right triangle shown, m\angle D = 60\degreem∠D=60°m, angle, D, equals, 60, degree and EF= 4\sqrt{3}EF=4 3 E, F, equals, 4, square root of, 3, end square root.

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

Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?

Matt makes a birdhouse.he needs 2 1/3 cans of paint for each birdhouse.he has 10 cans of paint.how many bird houses can be made? ( i need this answered in the next 9 hrs )