Mr. duc asked perry to set up 450 chairs in a large hall. perry puts 20 chairs in each row. he has already set up 15 rows of chairs. how many more chairs must he set up?

Given triangle ABC, which equation could be used to find the measure of ∠B? right triangle ABC with AB measuring 6, AC measuring 3, and BC measuring 3 square root of 5 cos m∠B = 2 square root of 5 all over 5 sin m∠B = square root 5 cos m∠B =

If the large square represents one whole, what fraction is represented by the shaded area

What is the percent that is equal to 0.02

What is the simplest form of 3/12

tabitha has 2 1/6 pounds of flour. she will use 2/3 pound of flour to make pancakes. how many pounds of flour will be left?

According to the Complex Conjugate Root Theorem, if a+bi is a root of a quadratic equation, then __blank__ is also a root of the equation. Which expression correctly completes the previous sentence? a-bi a+bi -a-bi -a+bi

after the first hour of the monsoon 23 mm precipitation has fallen after the second hour a total of 61 mm of precipitation at Fallen how many millimeters of precipitation fell during the second hour

What is the answer to 500/3+23458?

To decrease an amount by 19% multiply by

Rewrite the fraction in simplest form. 40/56