Which equation is true when k= -15?

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?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

What number line represents the solution set for the inequality -1/2 greater than or equal to 4