You are driving on a road that has a 5% uphill grade. This means that the slope of the road is 
. Approximate the amount of vertical change in your position if you drive 400 feet.
?
A. 18 ft
B. 21 ft
C. 22 ft
D. 19 ft
E. 20 ft
Answer: E
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Solve the problem using determinants.Barges from ports X and Y went to cities A and B. X sent 28 barges and Y sent 8. City A received 20 barges and B received 16. Shipping costs $220 from X to A, $300 from X to B, $400 from Y to A, and $180 from Y to B. $8240 was spent. How many barges went where?
A. 20 from X to A; 8 from X to B; 0 from Y to A; 8 from Y to B B. 18 from X to A; 10 from X to B; 2 from Y to A; 6 from Y to B C. 16 from X to A; 16 from X to B; 4 from Y to A; 4 from Y to B D. 14 from X to A; 14 from X to B; 6 from Y to A; 2 from Y to B
Solve the equation by using the square root property. Simplify all radicals.(3x + 3)2 = 36
A. {1, 3} B. {13, -13} C. {1, -3} D. {0, 1}
Find the first term and the common ratio of the geometric sequence.?3, ?7, ?11, ?15, . . .
A. a1 = ?3, r = 4 B. a1 = ?3, r = ?4 C. a1 = ?3, r = 7/3 D. a1 = ?3, r = ?7/3
Find the solution set for the inequality.|4m + 5| + 9 ? 12
A. {m|- 2 ? m ? - 
}
B. {m|
? m ? 2}
C. {m|m ? - 2 or m ? - 
}
D. {m|m ? 
or m ? 2}