Estimate by rounding to the nearest ten. Then, find the sum 381+ 313

Multiply. −2x(6 x 4 −7 x 2 +x−5) express the answer in standard form. enter your answer in the box.

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary