If your travel to another country and the speed limit sign says 55 km/h (which is 55 kilometers per hour). What is the speed limit on that road in miles per hour?

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

What is the value of the expression below? (81^2)^1/8

Suppose a pendulum is l meters long. the time, t,in seconds that it tales to swing back and forth once is given by t=2.01