Answer:
76
Step-by-step explanation:
Assuming that all exams have the same weight, in order to achieve an average score of 80, the sum of all scores must equal 4 x 80. Therefore, the grade Jose needs in his last exam is:
Jose needs to score a 76 in his last exam to have a mean of 80.
Slope:
Y-Intercept:
~Hope this helps .^.~
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64
1.) -49
2.) 24
3.) 27
4.) 28
5.) 15
