Find the ratio of the circumference of a circle with radius 1.125 to the circumference of a circle with diameter 2.25. express your answer in the form a: b where a and b are relatively prime positive integers.

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Apolygon is shown on the graph: a polygon is shown on the coordinate plane. vertices are located at 3 comma 5, 1 comma 3, 1 comma 1, 2 comma 0, 4 comma 0, 5 comma 1, and 5 comma 3. what effect will a translation 3 units down and 2 units left have on the polygon? be sure to address how it could impact the angles, side lengths, and congruency between the original pre-image and the image. xd i need

Why is partitioning a directed line segment into a ratio of 1: 3 not the same as finding the length of the directed line segment?