Answer:
x=w-z
add x to both sides w=z+x
subtract z from both sides w-z=x
270 ÷ 30 = 9
Step-by-step explanation:
9x3=27
90x3 = 270
27 ÷ 3 = 9
90 x 3 = 270
30 x 9 = 270
the third one (10.75)^2
p=\frac{9}{7}
Let's check the answer:
