Use the change of base formula and your calculator to approximate the logarithm.log7 
A. 0.8824
B. 0.5667
C. 0.2833
D. 1.7647
Answer: A
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Solve the problem.On Monday, an investor bought 100 shares of stock. On Tuesday, the value of the shares went up 9%. How much did the investor pay for the 100 shares if he sold them Wednesday morning for $1417?
A. $1300 B. $1545 C. $1367 D. $1350
Multiply. Simplify by combining like terms.(9a2 + 13b2)(9a2 - 13b2)
A. a4 - 169b4 B. 81a4 - 169b4 C. 81a4 + 234ab - 169b4 D. 81a2 - 234a2b2 - 169b4
Solve the problem.Lisa has 5 skirts, 8 blouses, and 4 jackets. How many 3-piece outfits can she put together assuming any piece goes with any other?
A. 160 possible outfits B. 40 possible outfits C. 320 possible outfits D. 17 possible outfits
Solve the linear programming problem.Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 pound packages as follows: A breakfast blend that contains one third of a pound of A grade tea and two thirds of a pound of B grade tea and an afternoon tea that contains one half pound of A grade tea and one half pound of B grade tea. If Joely makes a profit of $1.50 on each pound of the breakfast blend and $2.00 profit on each pound of the afternoon blend, how many pounds of each blend should she make to maximize profits? What is the maximum profit?
What will be an ideal response?