The diagram shows a square with perimeter 20cm work out the percentage of the area shaded inside the square that is shaded

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

The trigonometric ratios sine and secant are reciprocals of each other

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .