What is 51.95 rounded to the nearest cent?

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

In the diagram below,abc is congruent to dec what is the value of x