1. Joe needs to have at least an 80 average for the semester. His teacher uses 4 grades to determine the average. If he already has grades of 75, 82, and 71, what must his final
grade be to meet this goal?
A. 80
B. 82
C. 85
D. 92
E. It is impossible for him to average an 80.

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

The test scores of 32 students are listed below. construct a boxplot for the data set and include the values of the 5-number summary. 32 37 41 44 46 48 53 55 57 57 59 63 65 66 68 69 70 71 74 74 75 77 78 79 81 82 83 86 89 92 95 99

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8