Write an equation of the line that is perpendicular to y =
1
2
x + 3 and passes through the point (10, -5).
a) y = -2x + 15
b) y = 2x - 15
c) y = -2x - 5
d) y = -
1
2
x

What properties allow transformation to be used as a problem solving tool

What other information do you need to prove triangle dac=bca by asa

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?