Determine the values to complete the Relative Frequency by Rows table. choose number for each letter please its not a answer where you have to choose a b c or d :( help
A= 30.9% 31.4% 68.6% 69.1%
B=30.9% 31.4% 68.6% 69.1%
C=30.9% 31.4% 68.6% 69.1%
D=30.9% 31.4% 68.6% 69.1%

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution

Aci is desired for the true average stray-load loss μ (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. assume that stray-load loss is normally distributed with σ = 2.3. (round your answers to two decimal places.)