Subtract 11b^2-4b+7 from b^2+8b-9
1 answer:
You might be interested in
Answer:
A. (x - 3)(x + 3)
Step-by-step explanation:
From the graph the x-axis is crossed by the graph at different points which are;
x = 3 and x = -3
This means the solutions are : x = 3 and x =-3
The factors will form the following equation : (x - 3)(x + 3)
See attached
In mathematical operations with significant figures the answer must r<span>eflects the reliability of the least precise number. 225 has three significant figures, whereas 0.015 has two -leading zeroes are not significant figures, so our answer must have two significant figures to reflect the reliability of the number 0.015, which has two significant figures.
</span>
We can conclude that <span> the number representing the amount of calcium in the liquid will have two significant figures.</span>
</span>
We can conclude that <span> the number representing the amount of calcium in the liquid will have two significant figures.</span>