Find the y-intercept for the parabola defined by
this equation:
y= 2x2 + 9x +7
Separate the values with a comma.

Measures of the angle of r, 31 s (x+4) t (3x+9)

What is the factored form of the following expressions? d^2 – 13d + 36

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?