Aright triangle has the hypotenuse c = 12 cm (centimeters) and an angle a = 30°. find the
length of side a, which is opposite angle a.
a. 2.5 cm c. 6 cm
b. 4 cm d. 7.4 cm

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.