A pet lizard lives in a terrarium with a height of 8 inches, a length of 12 1/2 inches, and a width of 5 inches. What is the terrarium's volume?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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?

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.