Identify the inverse variation and graph in which y = 0.5 when x = 10.

The parabola opens: y=√x-4 (principal square root) up down right left

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog