Solve the proportion.
= 
A. y = 4
B. y = 16
C. y = 1
D. y = 81
Answer: C
Mathematics
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Evaluate.Let a = 8i + 4j. Find 2a.
A. 16i + 4j B. 10i + 4j C. 16i + 8j D. 10i + 6j
Mathematics
Solve.Find the amount of discount when the original price is $143.90 and the discount rate is 30%.
A. $4.32 B. $139.58 C. $100.73 D. $43.17
Mathematics
Graph the ellipse.81x2 + 36y2 = 2916
A. 
B. 
C. 
D. 
Mathematics
Complete.14.6 g = 
kg
A. 0.00146 B. 14,600 C. 1460 D. 0.0146
Mathematics