The standard deviation of the fuel consumption for a certain type of an automobile is hypothesized to be greater than or equal to 4.3 mpg. If a random sample of 20 automobiles produced a standard deviation of 2.6 mpg, then we conclude at that:

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

What is the absolute value of the complex number -4- 2 v14 3.15 14 18

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint