Find a ? b.a = 4i + 5j, b = 2i + 4j
A. 
B. 28
C. 
D. 12
Answer: B
Mathematics
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Simplify by using the order of operations. Round your answer to the nearest hundredth.(7.2)2 × 8.2 × 0.6 - 9.1 × 2.8 × 2.4
A. 174.38 B. 193.90 C. 193.85 D. 203.08
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Simplify.72 - 3 ? 5
A. 230 B. 80 C. 34 D. 140
Mathematics
Multiply and simplify.
A. 
B. 
C. 
D. 
Mathematics