Find the midpoint of the segment connecting the given endpoints.(1.9, -1.2), (1.8, -3.3)
A. (0.05, 1.05)
B. (0.1, 2.1)
C. (3.7, -4.5)
D. (1.85, -2.25)
Answer: D
Mathematics
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Calculate the direction of 
and the midpoint of line segment P1P2.P1(-6, 6, 4) and P2(-4, 12, 1)
A. 
i + 
j + 
k; 
B. 
i + 
j - 
k; 
C. 
i + 
j - 
k; 
D. 
i + 
j - 
k; 
Mathematics
Express the given expression in simplest form with only positive exponents.
A. x12
B. 
C. x25
D. x100
Mathematics
Evaluate the expression.
A. 28 B. 22 C. 10 D. 7
Mathematics
Solve the application.At 5 AM, the outside temperature was -6.4°C. By 7 AM, the temperature had risen 3.65°C. What was the temperature at 7 AM?
A. -2.75°C B. -10.05°C C. 23.36°C D. 10.05°C
Mathematics