Decide whether the problem is an equation or an expression.
- 
+ 4
A. Expression
B. Equation
Answer: A
Mathematics
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Express the number in terms of j.
A. -j
B. 6j
C. j
D. -6j
Mathematics
Evaluate the expression using the given values.
; x1 = -3, x2 = 7, y1 = -1, y2 = -2
A. - 
B. 
C. - 10
D. - 
Mathematics
Find the reciprocal.
A. 1
B. 0
C. 
D. 10
Mathematics
Find the exact perimeter. Then approximate your answer to the nearest tenth.
A. 22
, 53.9
B. 26
, 63.7
C. 9
, 22.0
D. 13
, 31.8
Mathematics