On a cold day, the temperature in a certain city changed −14.4°F over 9.6 hours. What was the average change in temperature per hour?

Enter your answer as a decimal in the box.
will give 50 points need asap
° F

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500