(5x-3)(4x+5) the last step you have to look at the two terms that you are adding together the 4x(5x-3) and the 5(5x-3) and see what is similar. well the whole bracket is the same the 5x-3 so factor that out and collect the other leftover terms so the 4x and the +5 and thats what goes in the second bracket
Answer:
The weight that is more extreme is the male which is -2.62
Step-by-step explanation:
Consider the provided information.
Now use the z scores formula:

Where μ is mean and σ is the standard deviation.
For newborn males have weights with a mean of 3227.9 g and a standard deviation of 659.9 g.
Substitute the respective values in the above formula.

For Newborn females have weights with a mean of 3073.1 g and a standard deviation of 806.8 g.
Substitute the respective values in the above formula.

So, the more extreme of these is the male which is -2.62
Step-by-step explanation:
Maryam scores in paper 1 65% × 120
= 65/100 × 120
= 78 marks of full scores 120 marks
scores in paper 2 80% × 80
= 80/100 × 80
= 64 marks of full scores 80 marks
F=27/4 equation is solved