Solve the problem by writing and solving a suitable system of equations.A company produces three models of video cassette player, models X, Y, and Z. Each model X machine requires 
of electronics work, 2.8 hours of assembly time, and 4.4 hours of quality assurance time. Each model Y machine requires 
of electronics work, 
of assembly time, and 
style="vertical-align: -4.0px;" /> of quality assurance time. Each model Z machine requires 
of electronics work, 
of assembly time, and 
of quality assurance time. There are 
available each week for electronics, 
for assembly, and 
for quality assurance. How many of each model should be produced each week if all available time must be used?
A. 45 model X, 20 model Y, 30 model Z
B. 45 model X, 15 model Y, 35 model Z
C. 43 model X, 22 model Y, 30 model Z
D. 46 model X, 20 model Y, 29 model Z
Answer: A
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Use values from the compound interest table to find the compound amount. Round to the nearest cent.
$7,670 at 8% compounded semiannually for 12 years
A. $19,314.36 B. $15,033.20 C. $12,279.92 D. $19,660.51
Determine whether y ? ? or y ? -? as x ? -? and x ? ?.y = x3 - x4 + 4x2 - 2x + 8
A. y ? -? as x ? -?; y ? ? as x ? ? B. y ? ? as x ? -?; y ? -? as x ? ? C. y ? -? as x ? -?; y ? -? as x ? ? D. y ? ? as x ? -?; y ? ? as x ? ?
Solve.Jackie and her friend Warren ran for an open position on the board of directors of their favorite organization. Jackie received four times the votes that Warren received. There were 200 ballots cast. How many votes did Jackie receive?
A. 152 votes B. 160 votes C. 32 votes D. 40 votes
Solve the problem.A rare species of insect was discovered in the rain forest of Costa Rica. Environmentalists transplant the insect into a protected area. The population of the insect t months after being transplanted is P(t) = 
.a) What was the population when t = 0?b) What will the population be after 10 years?c) What is the largest value the population could reach?
What will be an ideal response?