For sale taxes on laundry soap, Karin says it should be 0.84.Lin says it should be 0.87

Find the slope of the line y =8/9x + 1.

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?

Can someone plz me understand how to do these. plz, show work.in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]