What is the angle of elevation of a hill whose slope has a length of 345 feet and rises 87 feet? A 14.2°
B 13.7°
C 14.6°
D
75.8°

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

The function show two sisters' savings account and the rate at which they plan to deposit money