Factorise

2a+4b

3ah-a squared

5a+15b+10c

3y squared + 21y

4abc-12bc squared

6xy-14x squared y squared

14x squared - 32y

7x squared y+14x

3 pie d-7 pie d squared

16a+30x

9ab-27b2

16a+48a squared

8a+6a squared

8x squared + 2y-6z

x+x squared + xy

The propeller blades on a submarine have a radius of 6 feet. At full speed, they turn at 120 revolutions per minute. What is the angular velocity, in radians per minute, at the tip of the blade? Round your answer to the nearest hundredth.

Mitchell bought some pinwheels for a dollar and paid in dimes. how many dimes did she use explain

What number must you add to complete the square? x^2+12x=5

One day at 3:00 a. m., the temperture was - 13 degrees F in Kodiak, Alaska. At 10:00 a. m. the temperature was 22 degrees F. what was the average change in temperature per hour?

What affect does the "a" value have on the function f (x) = log (x) ?

Whats 300 times 400? then add 500

Tina's swimming lesson started at 5:30 P. M. and ended at 6:25 P. M. How long did the swimming lesson last?

Solve - 1/2x>8 graph solution

Michale is traveling from San Francisco to Houston this morning. The flight will take 4 3/10 hours to complete. If the airplane travels 368.8 miles per hour, how many miles will the airplane travel? Explain

What is the correct first step to solving the equation x^2=10-3x