Answer:
y = -5
Step-by-step explanation:
7y - 5 = 9y + 10 + y
7y - 5 = 10y + 10
3y + 10 = -5
3y = -15
y = -5
Answer: 3424.28
Step-by-step explanation:
Given data : 378, 361, 350, 375, 200, 391, 375, 368, 321
Number of data values = 9
Mean :
Variance =
Variance =
Answer: 15.55 miles
Step-by-step explanation:
in 3 days, Samuel ran 8+4.25+3.3=15.55 miles
Answer: that would be a reflection