Rob has a portfolio of 5 stocks. Based on the table which shows the closing stock prices for the day, what is the weighted average of
a share of stock in Rob's portfolio?
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15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle