Yen paid $10.50 for 2.5 pounds of pretzels. What price did she pay for each pound of pretzels? The first step is to
by a power of 10, so the divisor is a whole number.
The next step is to
, by figuring out how many times 25 goes into 105.

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Use sigma notation to represent the following series for 9 terms.