4. Four classes took a test. The standard deviation for the test scores for each class is given below. Which class had the most consistent test
scores? *
Class A, standard deviation=5.21
Class B, standard deviation=3.15
Class C, standard deviation=7.02
Class D, standard deviation=4.19

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

What is the simplified expression for 6(2(y+x))

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking: