Which system is equivalent to 7x^2 +2y^2 =10 -21x^2 - 6y^2 =10
-21x^2 -6y^2 =30
-35x^2 -10y^2 =-50

If a fair 6 sided cube is rolled 60 times, theoretically how many times should you expect to roll a 4 or a 5?

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis