Evaluate the expression.8 ? 2 + 18 ÷ (8 - (3 + 2))
A. 21
B. 22
C. 23
D. 24
Answer: B
Mathematics
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Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = 3i + 2j,
w = 3i + j
A. v1 = + 
i + 
j, v2 = - 
i + 
j
B. v1 = + 
i + 
j, v2 = - 
i + 
j
C. v1 = + 
i + 
j, v2 = 
i + 
j
D. v1 = + 
i + 
j, v2 = 
i + 
j
Mathematics
Factor using the formula for the sum or difference of two cubes.x3 - 125
A. (x + 125)(x2 - 1) B. (x + 5)(x2 - 5x + 25) C. (x - 5)(x2 + 5x + 25) D. prime
Mathematics
Combine the following, if possible.-15
- 13
A. 27
B. 3
C. -2x
D. -28
Mathematics
Solve the problem.Gillian has $10,000 to invest in a mutual fund. The average annual rate of return for the past five years was 12.25%. Assuming this rate, determine how long it will take for her investment to double.
A. 12 yr B. 4 yr C. 6 yr D. 3 yr
Mathematics