Multiply and simplify.
? 
A. 
B. 21xy2
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Evaluate 
at t = 3 for the function w(x, y, z) = exyz2; x = t, y = t, z = 
.
A. 0
B. 
C. - 
e
D. 
e
Mathematics
How many prime numbers are between -6 and 20 on the number line?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Select the lesser of the two given numbers.-?-5?, -?-9?
A. -?-5? B. -?-9?
Mathematics
Use the prime factorization method to find the LCM of the given numbers.28 and 40
A. 40 B. 1120 C. 68 D. 280
Mathematics