A manager at a gas station realized that there
appeared to be a quadratic relationship between the
price he charged for a doughnut and the number he
sold for the day.
What is the coefficient of determination (r2) for the
following data set using a quadratic model?
Prics charged for
a Doughnuts
$0.75
$0.99
51.10
$1.50

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply. the equation    represents the sum of the two numbers. the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers. the equation    represents the sum of the two numbers. the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?