The length of the shadow of a building is 90 meters, as shown below:
the shadow of a building is 90 meters long. the acute angle that the shadow makes with the line joining the tip of the building to the end of the shadow measures 30 degrees.
what is the height of the building?
30 m
45 m
51.96 m
78.94 m

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done