Answer:
Step-by-step explanation:
I think in this question we have to find slope, if so, its y = 10x.
to find the slope just pick two numbers, i chose (2,20) and (7,70) and then put them in the slope formula y2-y1/x2-x1. That gave me 10. I hope its correct. :)
This triangle is an equilateral, meaning that all the sides of the triangle are equal. We know this because all the angles of triangle are marked equal. Keeping this in mind, you can then set two of the sides equal to each other and solve for x.
3x+6=5x
6=5x-3x
6=2x
6/2=x
3=x
The answer is x=3
So let the first number be C, the second number must be 5C then.
So C + 5C = 6C = 30.
Thus C is 5, and the numbers are 5 and 25 then.
D it's store d, it's the cheapest
Top right because you can only have a whole number