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.
6x-6+6~-2x6/5 that it okay
Answer:
One burger is $35 and one taco is $43
Step-by-step explanation:
First you substitute:
4b + 3t = 269 => t = 269/3 - 4/3b
5b + 4t = 347 => b = 35
t = 269/3 - 4/3b
t = 269/3 - 140/3
t = 43
25 to ride the bumper cars
10 to ride the Ferris wheel
35 tickets total
4x = 28
28 divided by 4 = 7
x = 7
4•7=28 (TRUE STATEMENT)
