10. draw a venn diagram to represent the intersection and union of the sets: p = {1, 5, 7, 9, 13}, r = {1, 2, 3, 4, 5, 6, 7}, and q = {1, 3, 5}.

Find the value of x for which abcd must be a parallelogram -9-6x x-30

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Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)