What are the possible values for b for the following values of c, for x^2 + bx + c if b > 0. List at least TWO possible integers.

1. c = -7

2. c = -3

3. c = 6

4. c = 12

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2