Find the quotient. write your answer using a decimal and rounf to the nearest hundredth.8,426÷82

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

Which of the following represents the zeros of f(x) = 6x3 − 31x2 + 4x + 5? −5, one third , one half 5, − one third , one half 5, one third , − one half 5, one third , one half

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees