What are the period and phase shift for f(x) = tan(2x +

period: pi over two; phase shift: x = negative pi over two

period: negative pi over two; phase shift: x = pi over two

period: __; phase shift: x = negative pi over two

period: __; phase shift: x = pi over two

Ill mark the brainliest if you me with the these three questions 7,8,9

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

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.