Evaluate cot 120° without using a calculator by using ratios in a reference triangle. (5 points)

A concrete floor system with a ratio of the longer to the shorter span length that is less than 2 is usually considered a two-way system.

Decide if the function is an exponential function. If it is, state the initial value and the base. (5 points) y = – 9.3 ⋅ 7x  

Find the amplitude y = 3 sin x (5 points)

If φVc = 66 kip and Vu = 26 kip, are stirrups required?

Find f(x) and g(x) so that the function can be described as y = f(g(x)). (5 points)y = + 2 

Convert the angle 18°15’27” to decimal degrees, and round to the nearest hundredth of a degree. (5 points)

Compute the exact value of the function for the given x-value without using a calculator. (5 points) f(x) = for x = -3

Choose the graph of y = 1.5sin x. (5 points)

_______ cracks occur first due to flexural stresses and start at the bottom of the beam.