PLEASE HELP ME!!! B, C and D are points on a circle, centre O.
BOD is a diameter of the circle. AB is the tangent to the circle at B.
AO = 8 cm. Angle BAO = 30° Angle CBD = 63°
Calculate the length of BC. Give your answer correct to 3 significant figures.

Write a positive or negative number to represent each situation. a. you win 150 dollars in a contest b. a loss of 15 yards in a football game c. 75 feet below sea level d. 35 degrees above 0 f e. a debt of 24.75 dollars

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4