Factorise: a^2 + 8a - 20

Can the numbers 1 3 5 7 make two numbers whose product is 1767

What is the area of this parallelogram? 4.9 cm? 12.25 cm? 17.15 cm? 24.01 cm? Parallelogram A B C D is composed of a square and two triangles. The square has a length and height of 3.5 centimeters each. There are two identical triangles.

When do we need to consider amounts that do not represent whole numbers?

5.6803 kg has how many significant figure

What is 422 3/7-367 5/6?

On a certain planet, objects weight about 7/12 of what they weigh on earth. an object weights 13 5/12 pounds on the planet. solve the equation 7/12 w = 13 5/12 for w to find the objects weight on earth in pounds.

Which is the following numbers will produce an irrational number when added to 1/3

Solve the equation below for x and check your solution. 4x+3=x

What is the simplest form of 8/2. Show your work

Stephanie rides her bike 2 miles to the post office and then another 50 yards to the train station. How many yards long was her trip?