What is the difference between 7 million and 7 ten thousand

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 are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle