If < A and < B are vertical angles, and < A is 43 ° , then what is the measure of < B? Select one:
a. 47 °
b. 137 °
c. 21 °
d. 43 °

Tom and maria typed in words in the ratio of 1 : 5 in 20 minutes. they typed 864 words altogether. find the number of words that each of them typed

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches