Perform the operation indicated.(-7.1) - (-4.4)
A. -2.7
B. -11.5
C. 2.7
D. 11.5
Answer: A
Mathematics
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With the given set of components, find R and ?.Rx = 2.0, Ry = 1.0
A. R = 3.0, ? = 27° B. R = 2.2, ? = 27° C. R = 2.2, ? = 210° D. R = 3.0, ? = 210°
Mathematics
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 8 
- 3xy 
A. 2x2y2
B. 5xy3
C. 5x2y3
D. 2 xy2
Mathematics
Multiply.
w8
A. 
w14 + 2w12 - 
w8
B. 
w6 + 2w4 - 
C. 
w14 - 2w12 + 
w8
D. 
w14 + 
w12 - 
w8
Mathematics
Translate the phrase to an algebraic expression. Use x to represent "a number."A number divided by 15
A. 15 ÷ x or 
B. x - (15)
C. x ÷ 15 or 
D. 15 ? x or 15x
Mathematics