Suppose that a single die with 7 sides(numbered 1,2,) is rolled twice. what is the probability that the sum of the two rolls equals 6?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k