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Q
10
The mean of Sheila's five exam scores is 78. She will be taking three more exams. Assuming that each exam is given the
same weight, what must her mean score be on the remaining exams in order to attain a mean score of 84 on all 8 exams?
94
B 90
с
92
D
88

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

What is r i 4.5+10r=-6.5 with work pls