25a² -4b²+28bc-49c² factorize​

What is the reflection image of (5,-3) across the line y = -x?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250