How to simplify the expression qr+2q^2-3qr-r^2-6q^2

How to find the third side of a triangle if two sides are known?

What is 1.524 if you carry the decimal places

The correct translation of "twice a number x, plus 8" is 2 (x+8).

If m c is greater than mZE, then AB is ?

A farmer wishes to enclose a pasture that is bordered on one side by a river (so one of the four sides wont require fencing) She has decided to create a rectangular shape for the area and will use barbed wire to create the enclosure there are 600

A triangle has a base 5 cm and a height of 8 cm what is the area of the triangle

Sarah is hiking on a trail new her home. She traveled 5 miles before stopping for a break. After the break, Sarah plans on increasing her spied to 3 miles per hour.

What is bigger 0.75 or 1 3/4

A train moves at a constant speed of 54 miles per hour. How long would it take the train to go 400 miles? How far can the train go in 30 minutes?

What is the product of z1 and z2 if z1 = 2 (cos70° + i sin70°) and z2 = 4 (cos200° + i sin200°) ?