First you would distribute through the parenthesis
-10x+2+7(5x-1)-3(-5x+1)
Then distribute
-10x+2+35x-7-3(-5x+1)
And then distribute 3
-10x+2+35x-7+15x-3
Collect like terms
40x+2-7-3
40x-8 is your answer :)
1) We know, 1 mm = 0.1 cm
So, 85 mm = 0.1 * 85 = 8.5 cm
Nearest value would be 9 cm
In short, Your Answer would be 9 cm
2) 8 pencils = 72 p
So, 1 pencil = 72 / 8 = 9 p
In short, Your Answer would be 9 p
Hope this helps!
Ill tell u the answer to number 1 in a couple of minutes
<span>A
scale factor or the similarity ratio is the ratio of two similar geometric figures of their
corresponding sides, volumes or areas. The scale factor is calculated by locating the
corresponding sides on each figure, calculating the volumes and areas and dividing them.
similarity ratio = 2197 m^3 / 512 m^3 = 4.3</span>
Wouldn’t it be 180° I’m not sure but I’m pretty sure that it’s a reflection
