6 > y + 2.5
I think srry if it's wrong
Answer:
It's elevation at the surface is 0, and the elevation twenty feet below is -20.
Step-by-step explanation:
The surface level is 0, and diving 20 feet under means 0 - 20, which is negative 20, or -20.
Answer:
4x^2+3x-6
Step-by-step explanation:
Answer: 52.5
Step-by-step explanation: 2(3x+10)+2(x+10)=360 because all the sides of a rhombus equal 360 and alternate sides are equal
8x+20=360
-20=-20
8x/8=340/8
x=42.5
x+10. 42.5+10=52.5
D=52.5