Qué aspectos de la formación intelectual del escritor destaca la autora ?

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.