3.a. Nikki buys 1 kg of oranges. She wants to choose the better discount. Which should she choose and why should she choose it

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.

Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?