Answer:
Option A
Step-by-step explanation:
Option A is the answer.
6.
WY=16
XZ=12
PZ=6
7.
7x-2=4x+10
3x=12
x=4
XZ=11x+8
XZ=52
First find the unit rate. 230 divided by 10 which is 23 bagels per hour. So now multiply 23x24 which equals 552 bagels in 24 hours.
It would be 1/3 because there are three ingredients. Therefore, if he is allergic to one of everything in each category, there are 3/10 things he is allergic to.
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.