Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 
- 
A. -5
B. -5x
C. -5x
D. 7x
Answer: C
Mathematics
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Provide an appropriate response.Write a problem in which the quadratic equation 
must be solved in order to solve the problem.
What will be an ideal response?
Mathematics
Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics
The sequence is defined recursively. Write the first four terms.a1 = 3; an = 3an-1 + 3
A. a1 = 3, a2 = 9, a3 = 27, a4 = 81 B. a1 = 3, a2 = 12, a3 = 30, a4 = 84 C. a1 = 3, a2 = 6, a3 = 15, a4 = 42 D. a1 = 3, a2 = 12, a3 = 39, a4 = 120
Mathematics
Multiply or divide as indicated.0.07 × 1000
A. 0.07 B. 7 C. 700 D. 70
Mathematics