Answer:
d= 70
Step-by-step explanation:
These are vertical angles. Therefore, opposite angles (vertical) are always congruent.
Answer:
the length of the ruler is 5cm i guesse???
Step-by-step explanation:
Shift all one to the left take all the vertices and move them left one
Answer: add more points and ill answer it monk
step by step: L+BOZO+RATIO
Answer:
C. Age is a probably lurking variable in this study.
Step-by-step explanation:
The two variables that are related in this study are arithmetic and exercise.
The variable which is not known and cannot be controlled is age. But it may effect other variables. Such a variable is called lurking variable.
In this experiment we know the age range but not exact age. It may effect as younger students may not be able to solve questions easily.
Choice C is the most appropriate conclusion given for the finding.