Solve. Round to two decimal places unless otherwise noted.George usually takes 3 hours more than Jon does to install a fence. If Jon takes t hours to install a fence, the function given by H(t) = 
can be used to determine how long it would take if they worked together.How long will it take them, working together, to install a fence if Jon can install a fence alone in 8 hours?
A. 
hours, or 2
hours
B. 
hours, or 4
hours
C. 
hours, or 6
hours
D. 
hours, or 3
hours
Answer: B
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Find the indicated term for the arithmetic sequence.a10 = 7, a14 = 15; a1
A. -9 B. 2 C. -7 D. -11
Solve the equation. First simplify the expression by combining like terms.2(y + 5) = 3(y - 4)
A. -2 B. -22 C. 2 D. 22
Determine whether the graph of the given function is symmetric with respect to the y-axis, symmetric with respect to the origin, or neither.f(x) = x + 
A. y-axis B. Origin C. Neither
Solve the problem.In September 1998 the population of the country of West Goma in millions was modeled by 
At the same time the population of East Goma in millions was modeled by 
In both formulas x is the year, where 
corresponds to September 1998. Assuming these trends continue, estimate what the population will be when the populations are equal.
A. 1 million B. 19 million C. 17 million D. 18 million