$3000 invested at an apr of 5% for 7 years. if interest is compounded annually , what is the amount of money after 7 years?

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Pls the last one and it has to be like number 6