Find the total value of an investment of $1,030 at 4%
compounded semi-annually for 2
years to the nearest dollar

What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?