ES URGENTE POR FAVOR responder con verdadero o falso y si es falso dar el porque
a) todos los números naturales son enteros
b) existen números enteros que son naturales
c) algunos números racionales no son enteros.
AYUDA URGENTE AAA

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

What is the total area of the figure?

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?