the answer is d or the last one
49 increased by d is 49 + d but I feel that this isn't the whole statement...?
Answer:

Step-by-step explanation:
in the equation given these are the values:
a=1 b= -5 c= -7
if we plug this in the quadratic formula 
this is simplified to 
hope this helped
Answer:
19.504
Step-by-step explanation:
divide the mass value by 2.205
Just subtract the two numbers and the answer is 3.83 inches