Determine if its even odd pr neither algebraically​

The triangles are similar. what is the value of x? show your work.

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.