Determine whether each survey question is biased or unbiased. If biased, explain your reasoning. How many hours do you typically spend on homework each week, and do you feel that teachers assign too much homework?

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.