Um gato come 5 ratos por dia. Quantos ratos 5 gatos comem em 5dias?​

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

Three times the sum of a number and seven is negative thirty-six. what is the number?