Determine the sign of the some of negative 8 + 11

Which list shows the order of original appearance on earth, from the earliest to the most recent organism? A. bacteria, lizards, rhinoceros, trilobites B. bacteria, rhinoceros, lizards, trilobites C. trilobites, lizards, rhinoceros, bacteria D.

2.5 miles is equivalent to 4km

Replacment set 0,1,2,3,4 solve 6x-9=15.

What is the measure of ∠R?

What is $530,495 rounded to the nearest 1,000 dollars

0 = (x-1) ^2-4 show work <33

Which expression is equivalent to logc^x^2-1/5x?

What is the sum of the angles of an octagon?

7. Find the slope of the line through (-2,6) & (3,14).

Circular gears P and Q start rotating at the same time at constant speeds. Gear P makes 10 revolutions per minute and Gear Q makes 40 revolutions per minute.