True or false

1. for a real number a, a + 0 = a.

2. for a real number a, a + (-a) = 1.

3. for a real numbers a and b, | a - b | = | b - a |.

4. for real numbers a, b, and c, a + (b ∙ c) = (a + b)(a + c).

5. for rational numbers a and b when b ≠ 0, is always a rational number.

Which of the following three dimensional figures has a circle as it’s base

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

What is the value of p in the equation y^ = -4x?