The length of a lap on a running track depends on the lane. Greg runs one lap in lane 4, one lap in lane 5,
and one lap in lane 6. What is the total distance
Greg runs?

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.

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.