Aunt Maggie's car broke down on Interstate 10. Sam's towing charges a $57 hook up fee and $2.00 per mile towed. Reginas towing charges a $45 hook up fee and $2.50 per mile towed. Which of the following statements are true? Select all.

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.