HELP PLEASE What is the domain of the square root function graphed below?

A) x ≥ -4
B) x > -4
C) x ≥ 0
D) x > 0

Mp model with mathematics explain how the number of text messages dario sent and the cost form an arithmetic sequence.then write an expression to find dario's text messaging bill if he sends n text messages over 250.

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?