Answer:
A
Step-by-step explanation:
Luis because the sample is taken from the population of all seventh graders.
Answer:
D.
Step-by-step explanation:
Answer:
0.28
Step-by-step explanation:
Answer:
5x cars
Step-by-step explanation:
(# of cars washed) = (# cars washed per day)(# of days)
= (x/day) * (5 days) = 5x
cars
Answer:
x = 7
Step-by-step explanation:
QY = 5x
YZ = 18
QZ = 53
Thus:
QY + YZ = QZ (segment addition postulate)
5x + 18 = 53
5x = 53 - 18 (subtraction property of equality)
5x = 35
Divide both sides by 5
x = 7