Use reference angles to find the exact value of the expression. Do not use a calculator.tan 750°
A. - 
B. 
C. 
D. 
Answer: D
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Describe the situation with a linear inequality and then solve the inequality.A standard train ticket in a certain city costs 
per ride. People who use the train also have the option of purchasing a frequent rider pass for 
each month. With the pass, a ticket costs only
per ride. Use an inequality to determine the number of train rides in a month for which purchasing the monthly pass is more economical than purchasing the standard train ticket.
A. 22 or more times B. 23 or more times C. 24 or more times D. 25 or more times
Solve the problem.An investment is worth $3000, and its value is increasing by 9% every year. What will its value be at the end of 8 years? Round your answer to the nearest dollar.
A. $6516 B. $5484 C. $5978 D. $5160
Solve the problem.In one report, the number n (in thousands) of people who earned a bachelor's degree in the sciences was modeled by the system n = 5.9t + 117.3 for women n = 1.9t + 121.3 for men,where t is the number of years since 1980. Find an expression for the difference (in thousands) between the number of women and the number of men who earned a bachelor's degree in the arts t years after 1980.
A. 15.6t - 238.6 B. 7.8t - 238.6 C. -111.4t - 119.4 D. 4t - 4
Suppose Ingredient I is made up of 40% micoden and 60% water, Ingredient II is made up of 10% micoden, 30% bixon, and 60% water, and these ingredients are mixed together. What is the percentage of water in mixture below? Ingredient I Ingredient II MIXTURE 15 lb 60 lb 75 lb?
A. 120% B. 50% C. 80% D. 60% E. 160%