Solve the problem.Mrs. Boyd has a desk full of quarters and nickels. If she has a total of 24 coins with a total face value of $2.80, how many of the coins are nickels?
A. 18 nickels
B. 16 nickels
C. 13 nickels
D. 8 nickels
Answer: B
Mathematics
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Solve.A population is growing at a rate proportional to its size. If the population is 126,000 initially and 193,000 after 12 years, how long will it take the population to double?
A. 21.3 years B. 19.5 years C. 18.1 years D. 20.3 years
Mathematics
Provide an appropriate response.The mail carrier takes away six checks for $10 each. Are you richer or poorer? by how much?
A. Poorer by $200; (-6) ? 10 = -200 B. Richer by $60; 6 ? 10 = 60 C. Richer by $200; (-6) ? (-10) = 200 D. Poorer by $60; (-6) ? 10 = -60
Mathematics
Graph the system of inequalities.y > x22x + 4y ? 8
A. 
B. 
C. 
D. 
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = x3 - 7, g(x) =
A. Yes B. No
Mathematics