Explain how place value could be used to find the difference between 4.23 into 2.75

What fraction of one year is 8 months

The lengths of the two sides of a right triangle are 5 inches and 8 inches what is the difference the possible lengths of the third side of the triangle

Danielle’s aunt is 8 years than 3 times danielle’s age. her aunt is 34. write an equation that relates danielle’s age, a, to her aunt’s age. then find danielle’s age.