Use addition to check the subtraction problem. If the answer is incorrect, find the correct answer.
6
A. Incorrect; should be 16
B. Incorrect; should be 7
C. Incorrect; should be 1
D. Correct
Answer: D
Mathematics
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Solve the problem.When sitting atop a tree and looking down at his pal Joey, the angle of depression of Mack's line of sight is 
If Joey is known to be standing 32 feet from the base of the tree, how tall is the tree (to the nearest foot)?
A. 44 ft B. 40 ft C. 42 ft D. 46 ft
Mathematics
Multiply.
A. 4.914 B. 0.0004914 C. 0.004914 D. 0.04914
Mathematics
Write the equation of the line whose graph is shown.
A. y = x + 5 B. y = - x - 5 C. y = x - 5 D. y = - x + 5
Mathematics
Write the number in standard notation.3.49 × 107
A. 349,000,000 B. 3,490,000 C. 244.3 D. 34,900,000
Mathematics