What is 10000 times 900

An oil slick of area 20m^2 tripples in size everyday. Find the time taken for it to exceed 1 hactare in size by firstly representing this information with an appropriate equation.

The product of the roots of x² 6x - 55 = 0 is:

3y²z (2y²z + 4yz - y + z) = 6y⁴z² + 12y³z² - 3y³z + 3y²z

What is the greatest common factor of 36 or 45

If s²=19, what is the value of (s+1) (s-1)

Fifteen decreased by the quotient of a number and 3 is 20

one pump can drain a pool in 12 minutes. when a second pump is also used, the pool only takes 5 minutes to drain. how long would it take the second pump to drain the pool if it were the only pump in use?

Gustavo is in a contest where he will win one of four possible

Express 3950000000 in scientific notation.

Higher consumer prices are likely to be accompanied by: A. lower union wages. B. lower interest rates. C. lower production costs. D. higher interest rates.