Expressions C -0.2 5C can be used to find the cost of an item on sale for 25% off. Which expression below is equivalent to see -0.2 5C? A. 0.75c
B. 0.25c
C. 1.25c
D. 0.75

Need solving this second acceleration problem.

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?