Answer:
32.5 points
Step-by-step explanation:
Daniel's score in quiz for the quarter is 89 points.
His score in homework for the quarter is 23.5 points.
His objective is to earn grade 8 for which he needs to have a total of 145 points.
So the additional points needed by Daniel for the quarter to accomplish this is given by:
[tex]\[145-(89+23.5)\][/tex]
=32.5
So Daniel needs an additional 32.5 points to achieve his desired objective.