if the domain of the square root function f(x) is X greater than or equal to seven which statement must be true 870 subtracted from the exterminator and the radical be the radical was notified by negative number seven turn in Dee the exterminator and the radical has a negative coefficient

In the geometric progression –3, 12, −48… what term is 3,072?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?