Fiona is in her bedroom. it is dark outside, so the the light bulb is the only source of light. she looks at the poster on the wall. describe how the light in fiona's bedroom travels so that she can see the poster.

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.