Complete the explicit formula of the arithmetic sequence a. —11, —3, 5, 13, ...
b. 81, 54, 27, o
c. —5, 13, 31, 49
A=
B=
C=

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Find the area of an equilateral triangle with a side of 6 inches

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?