From the top of a 250 ft lighthouse, the angle of depression to a ship in the ocean is 18° . How far is the ship from the base of the lighthouse?
What will be an ideal response?
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Use divisibility tests to decide whether the first number is divisible by the second. 6,955,200; 7[Note that a divisibility test for 7 is as follows: Double the last digit of the number and subtract this value from the original number with the last digit omitted. Repeat this process as many times as necessary until the number obtained can easily be divided by 7. If the final number obtained is divisible by 7, then so is the original number. If the final number obtained is not divisible by 7, then neither is the original number.]
A. Yes B. No
Let 
denote sales when a dollars are spent on advertising. If 
is negative, what will be the effect on sales if advertising is increased?
?
A. Sales will increase. B. Sales will decrease. C. Sales will remain the same. D. None of the above
Write the equation of the graph in its final position.The graph of y = 
is shifted 7 units to the left. Then the graph is shifted 2 units upward.
A. y = 2
B. y = 
+ 2
C. y = 
+ 7
D. y = 
+ 2
Find a row echelon form or a reduced row echelon form, as indicated, for the given matrix.Find a reduced row echelon form for the matrix.
What will be an ideal response?