2x+5-x+10=1x-5+3x what does x=

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

2.5 milligrams is equivalent to how many grams

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.