Search for bivariate data (in magazine or in internet) that can be closely modelled by a linear equation.
a. Draw a scatter diagram of the data.
b. Find the equation of the least squares line and the linear coefficient for the data.
c. Graph the least squares line on the scatter diagram in letter a.
d. Use the equation of the least squares line to predict a range value for a specific
domain value.

If g(x) is an odd function, which function must be an even function?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?