Iwill give brainliest! how many solutions does the equation -3a + 3a + 6 = 7 have? one two infinitely many none

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Let event a = you roll an even number on the first cube. let event b = you roll a 6 on the second cube. are the events independent or dependent? why?