How do I solve this?

26x-4

Step-by-step explanation:

to find the perimeter add all the sides together, the formula for this would be:

length+length+width+width OR 2(length)+2(width)

then add the eaquations in:

2(5x+7)+2(8x-9)

10x+14+16x-18

Combine like terms

26x-4

figure c

step-by-step explanation:

hope this .

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation: