Factor.9z2 - 6z - 8
A. (3z + 4)(3z - 2)
B. 9z2 - 6z - 8
C. (9z - 4)(z + 2)
D. (3z - 4)(3z + 2)
Answer: D
Mathematics
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Simplify and add or subtract wherever possible.10
+ 9
+ 7
A. 10
B. 1684
C. -1684
D. 166
Mathematics
Express the transform of the given expression in terms of s and ?
.y" - 5y' + 2y, f 
= -1, f' 
= 2
A. 
?
+ s - 5
B. 
?
+ s - 7
C. 
?
- s + 3
D. 
?
+ s - 7
Mathematics
Find the velocity and position vectors of an object with acceleration a(t) = 4i -72tj + (72t + 4)k, initial velocity v(0) = i + k, and initial position r(0) = j + 3k.
What will be an ideal response?
Mathematics
Solve the Problems.
A company invests equal amounts of money into two investments. One pays 7% and the other pays 8%. After one year the interest earned on the two investments is $3600. How much was invested in each?
Mathematics