Answer:
1.4
Step-by-step explanation:
Sample size: 3
Lowest value: 2.89
Highest value: 4.29
Range: 1.4
formula for calculating the range:
Range = maximum(x_i) - minimum(x_i)
where x_i represents the set of values.
Answer:

Step-by-step explanation:



Answer:
1.25
Step-by-step explanation:
2×+3×=5
4×=5........divid both sides by 4
×=5/4 or 1.25
(a^3 - 2a + 5) - (4a^3 - 5a^2 + a - 2)
=a^3 - 2a + 5 - 4a^3 + 5a^2 - a + 2
= -3a^3 + 5a^2 - 3a + 7
Answer:
4y
Step-by-step explanation:
A coefficient is a number with a variable and no sign in between them.