Round 0.98356 to the nearest ten thousandth

Josephine has a great garden with and area of 2x2 + x - 6 square feet

Acylinder has volume 45π and radius 3. what is it’s height?

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?