Bob works at a construction company. He has an equally likely chance to be assigned to work different crews everyday. He can be assigned to work on crews building apartments, condominiums, or houses. If
he works 21 days a month, about how many times should he expect to be assigned to the condo crew?
times out of 21 days.
Bob can expect to be assigned to the house crew about

Which of these statements is correct? the system of linear equations 6x - 5y = 8 and 12x - 10y = 16 has no solution. the system of linear equations 7x + 2y = 6 and 14x + 4y = 16 has an infinite number of solutions. the system of linear equations 8x - 3y = 10 and 16x - 6y = 22 has no solution. the system of linear equations 9x + 6y = 14 and 18x + 12y = 26 has an infinite number of solutions.