1. the equation2+2=8.
Part A: Write an equivalent equation by multiplying the equation by 3. Does the equation have the same solution set?

What is sin 7x/4 ? i need on this urgent trig

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?

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect