Step-by-step explanation:
perpendicular slope is negative reciprocal. -1/-1 = 1
y - 4 = x +3
y = x + 7
Answer: 9%
Step-by-step explanation: as all the marks are out of 100 i suppose
so Ali got 58% at eng and 49% at math
so 58-49=9%
and that is how we get the answer
Hey there!
We can solve this problem by doing PEMDAS, which lists:

We have in this equation

Let's sp;ve this equation now!
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Division ↓

Okay now , I show you the steps so it can be easier to solve!

Good luck on your assignment and enjoy your day!
~
Answer:
Step-by-step explanation:
X^2-10x-8=0
Solve simultaneously