In the xy- plane, the graph of y = -4x-2 crosses the y- axis at the point (0,k). what is the value of k?

a . -4
b. -2
c. -1/2
d. -1/4

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?