What does graph 3^x look like

What is the slope of the line shown below?

What makes a trapezoid an isosceles trapezoid?

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm