in a survey of 35 21st century group school students group 220 have ruler 60 have pencils and I have no idea how many have both rular and pencil

How do you write 0.5% as a fraction

Deena is planting two rectangular gardens. one garden is 3.67 feet by 8.56 feet, and the other garden is 3.67 feet by 7.45 feet. which expression does not respresent the total area in square feet of the two gardens

What is the output, or dependent variable of quantity? 1: x 2: f(x) 3: y