Solve.Last week, Samantha ran 11 miles. This week, she ran 9
miles. How much more did she run last week?
A. 13
miles
B. 1
miles
C. 20
miles
D. 1
miles
Answer: D
Mathematics
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Find the flux of the vector field F across the surface S in the indicated direction.F = xi + yj + z2k; S is portion of the cone z = 2
between z = 2 and z = 4; direction is away from the z-axis
A. 
?
B. - 
C. - 
?
D. 
?
Mathematics
Solve by substitution:
A) (–5, –2)
B) (–4, 1)
C) (–6, –5)
D) Dependent
E) No solution
Mathematics
Write the expression in the standard form a + bi.(1 + i)20
A. -1024 B. 1024 C. 1024i D. -1024i
Mathematics
The algebraic expression s2 gives the area of a square, where s represents the length of one of its sides. Use this information to find the area of the square.
19 cm
A. 356 sq cm B. 361 sq cm C. 76 sq cm D. 722 sq cm
Mathematics