The Revenue and cost functions for a company that sells computer desk are given below, Where R and C are measured in dollars and x represents the number of desk sold. How many desk must be sold to obtain a profit of at least $1,650,000?

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)