At midnight, the temperature was -8 degree Celsius. At noon, the temperature was 23 degrees Celsius. Which expression represents the increase in temperature?

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?