Answer:
Step-by-step explanation:

= 1 - 1
= 0
Answer:
4*(x+2)=6
Step-by-step explanation:
* is multiply four times is 4*
the sum of a number is 2 is (x+2) is equal to 6
Answer:
No. Jackson failed to account for possible alternate explanations.
Step-by-step explanation:
Both the watering schedule and the amount of sunlight may be contributors to the result Jackson observed. Without some way to control for these factors, the experiment is inconclusive regarding the contribution to the results that is made by the planting soil.
Answer: 17 inches
Expiation: Pythagorean Theorem.
a^2 + b^2 = c^2
15^2 + 8^2 = c^2
225 + 64 = c^2
289 = c^2
c = 17