When do I use sin, cos and tan?

Mai worked for 12 hours each day for 8 days. Then the next day she worked 7 hours. How many hours did Mai work in all?

What are the solutions of 2x2 + 16x + 34 = 0? -8 ± 2i -8 ± i -4 ± 2i -4 ± i

35% of the students in a school of 2060 are freshmen. How many students in the school are freshmen

What is the solution to the equation using the replacement set {2, 3, 4} 6+x/2=8

Nadia surveyed 80 students at her school and found that 0.55 of the students she surveyed said their favorite class is math. Another 15% of the students she surveyed reported that their favorite class is science.

Brianna bought a total of 8 notebooks and got 16 free pens.

Two consecutive integers have a sum of 107. Find the integers.

The population of a town is 58,000 and is growing by 23% per year. If the trend continues, what will the population be in 8 years

The following table shows the number of acres of farmland in 2010 in each state. State Number of acres of farmland (in millions) lowa Minnesota 27 North Dakota 40 South Dakota 44 Wisconsin 15 Find the median number of acres.

A store has clearance items that have been marked down by 45%. They are having a sale, advertising an additional 55% off clearance items. What percent of the original price do you end up paying?