Ihave 2 similar right angle triangles, cde and adg. the length of cde's hypotenuse is 1/3 the length of adg's hypotenuse. the area of cde is 42. what is the area of adg?

What is the range? can’t seem to find it out

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?