Multiply using the FOIL method.(x - 5)(x2 + 2)
A. -5x2 + x - 10
B. x3 - 5x2 + 2x - 10
C. x3 + 2x2 - 5x - 10
D. x2 - 3x - 10
Answer: B
Mathematics
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Find the gradient field F of the function f.f(x, y, z) = ln (x9 + y8 + z6)
A. F = 
i + 
j + 
k
B. F = 
ln ( y8 + z6)i + 
ln (x9 + z6)j + 
ln ( x9 + y8)k
C. F = 
i + 
j + 
k
D. F = 
i + 
j + 
k
Mathematics
Write the sentence as a proportion.104 children is to 120 bicycles as 13 children is to 15 bicycles.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
What does the circuit symbol in the figure mean?
?
?
A. OR-gate B. Switch C. Battery D. AND-gate E. NOT-gate
Mathematics
Find the best buy (based on cost per unit).Brand X: 8 oz. for $1.52Brand Y: 20 oz. for $3.00Brand Z: 24 oz. for $4.32
A. Brand Z B. Brand X C. Not enough information D. Brand Y
Mathematics