Does a=2.1 B=7.2 c = 7.5 make a right triangle

Kami and her mother offer tours of a nearby canyon. They charge a $50 base rate plus $10 per person for a 2.5 hour tour. Which equation represents A, the amount they make to tour p people thorough the canyon?

Solve: 0.5a+2.54=0.8a+4.94.

What pair of fractions have a common denominator with 3/10 and 2/5

Ms. Marshall's grandmother has a delicious recipe for sugar cookies. The recipe calls for 4 cups of flours, 1 1/2 cups of sugar, 3/4 teaspoons of vanilla, 3 eggs, and 2/3 cups of butter. Ms. Marshall wants to make one-third of the recipe.

Find profit or loss % A) cp = 150 and profit = 250

What is the answer to 6 * 4/5

What is the distance, to the nearest hundredth, from (6, 5) to (-3, - 8) ?

My number has 2hundreds. The tens digit is 9more than the ones digit. My number is=

Ted says that 3 tenths multiplied by hundred equal to 300 thousandths is he right?

What number has 5 thousands, 6 hundreds, 2 tens, and 1 one?