Subtract.89,778
A. 59,635
B. 56,635
C. 56,629
D. 56,549
Answer: B
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Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 128 feet per second and the gorge is 240 feet deep, during what interval can the flare be seen? Use the formula h(t) = -16t2 + v0t + h0.
A. The flare can be seen between 9 sec and 11 sec. B. The flare can be seen up to, but not including, 3 sec. C. The flare can be seen between 6 sec and 8 sec. D. The flare can be seen between 3 sec and 5 sec.
Simplify the exponential expression.-4-3
A. - 
B. 
C. 64
D. -64
Solve the problem.To train for a race, Will begins by jogging 10 minutes one day per week. He increases his jogging time by 5 minutes each week. Write the general term of this arithmetic sequence, and find how many whole weeks it takes for him to reach a jogging time of one hour.
A. an = 5n + 5; 10 weeks B. an = 5n + 10; 11 weeks C. an = 5n + 5; 11 weeks D. an = 5n + 10; 10 weeks
Solve by graphing. Label the axes and show where the solution is located on the graph.The cost, T, in hundreds of dollars, of tuition at one community college is given by 
where c is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition if a student registers for 10 credits.
A. About $2500 B. About $2100 C. About $1300 D. About $1550