Find the difference and express the answer in scientific notation. (9.1 x 10^6) - (8.9 x 10^6)

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.