Investment a starts with $1000 and increases its value by $80 each week. Investment b starts with $2000 and loses $50 of its value each week. After how many weeks will the two investments have the same value?

12 + 3x - x - 12 = ?

How many times does 15 goes into 975?

In a class of 160 students, 90 are taking math, 78 are taking science, and 62 are taking both math and science. What is the probability of randomly choosing a student who is not taking science? 69% 44% 51% 49%

How much sugar is contained in 200g of 20% sugar syrup?

How are slopes and y intercepts to the number of solutions of a system of the liner

If two lines are perpendicular, which statement must be true? A. The slopes of the two lines are equal. B. The slopes of the two lines are undefined. C. The slopes of the two lines are zero. D. The slopes of the two lines are negative reciprocals.

A rectangular park is w feet wide. Its length is 25 feet larger than its width. Record using algebra: What is the length of a fence (including the gates) that was built around the park?

Less expensive and cleaner than power plants that use fossil fuels, why are they not used on a larger scale?

5. A boat can travel 45 miles on 7 gallons of gasoline. How much gasoline will it need to go 78 miles?

Herman is building a picnic table for a campground. The picnic table is 5feet 10inches long. Herman built the picnic table in 2 days. The first day he worked for 3 hours 45 min. The second day he worked for 2 hours 10 min long.