Determine whether each regular polygon tessellates the plane. (equilateral triangle)
a.) yes; measure of interior angle = 60°.
b.) no; measure of interior angle = 60°.
c.) yes; measure of interior angle = 120°.
d.) no; measure of interior angle = 120°

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?