Answer:
It is 12. 12 fossils were found in Wyoming.
Step-by-step explanation:
70/81 is 7/81+7/9 as a proper fraction
Answer:
A
Step-by-step explanation:
In the figure shown, ABC is a right triangle with side lengths a, b, and c, and CD is an altitude to side AB. This altitude divides the triangle into two right triangles ADC and BDC. In these triangles,
So,

1. From the similarity
you have

2. From the similarity
you have

Hence, option A is true
Answer:
-3-(-7)
when subtracting a negative the signs turn in to addition
-3+(+7)
4
Step-by-step explanation: