6. How many 1/2 hour periods will make up 4 hours?

What are the soultion(s) to the quadratic equation 40- x^2=0

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.