What's the answer to 11+5+3x2+8x1 ? and how did you get your answer?

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Describe a situation that you could represent with the inequality x< 17

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.