Which of the following expressions is equivalent to x^2+7x+12 / x^2+8x+15 for x > 0? a) 1 / x+3
B) x+4 / x+3
C) x+4 / x+5
D) 7x+12 / 8x+15

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

What is the equation of a line that passes through points (0, 4) and (-4,-8)?

If the average of x,y and z is 15 what is their sum