Using a meter stick, I measured the width of the classroom to the nearest cm. The classroom is 11 meter sticks long plus 49 cm on the 12th meter stick. How wide is the classroom in m? how wide is it in cm? how are the two numbers different?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?