Solve the problem.As part of her retirement savings plan, Patricia deposited $100 in a bank account during her first year in the workforce. During each subsequent year, she deposited $30 more than the previous year. Find how much she deposited during her twentieth year in the workforce. Find the total amount deposited in the twenty years.
A. $670; $7700
B. $700; $16,000
C. $700; $8000
D. $670; $15,400
Answer: A
Mathematics
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Use implicit differentiation to find dy/dx.y
= 4
A. 
B. - 
C. 
D. - 
Mathematics
Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 10(cos 45° + i sin 45°), z2 = 5(cos 15° + i sin 15°)
A. 2(cos 30° + i sin 30°)
B. 2(cos 45° + i sin 45°)
C. 
(cos 45° + i sin 45°)
D. 
(cos 30° + i sin 30°)
Mathematics
Solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = -7, y = 3, z = 14 B. x = 7, y = 3, z = 5 C. x = 7, y = 5, z = 3 D. Inconsistent
Mathematics
Find the equation of the line that passes through the points (1, –2) and (4, 7).
A. y = 3x + 5 B. y = 3x – 2 C. y = 3x + 2 D. y = 3x – 5 E. y = 3x – 8
Mathematics