If 1331​ of a number is 15, what is 2332​ of that number?

What is the sum of the angles in an isosceles triangle if the two equal angles are 50∘50∘ each?

The perimeter of a rectangle is 30 units, and its length is 10 units. What is its width?

What is the sum of the angles in a quadrilateral?

The area of a circle is 64π square units. What is its radius?

Express 3:5 as a ratio in its simplest form.

Express 0.4 as a fraction in simplest form.

If a rectangle has a length of 15 units and a width of 6 units, what is its area?

If the base of a triangle is 8 units and its height is 10 units, what is its area?

If 2�+5=152a+5=15, what is the value of �a?