What is -3 2/3 x (-2 1/4)? a. -8 1/4. b. -6 1/6 c. 6 1/6. d. 8 1/4
plz i don’t want to fail math class! plz!

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Acertain company's main source of income is a mobile app. the company's annual profit (in millions of dollars) as a function of the app's price (in dollars) is modeled by p(x)=-2(x-3)(x-11)p(x)=−2(x−3)(x−11) which app prices will result in \$0$0 annual profit? enter the lower price first.