Answer:
2 ≤ 5
Step-by-step explanation:
-5 ≤ -2 add 7 to both sides
-5+7 ≤ -2+7 calculate
2 ≤ 5
Answer:
The solution for the system of right triangles are, respectively:
,
,
, 
Step-by-step explanation:
By Geometry, we get the following equivalencies:
(45 - 45 - 90 Theorem)
(45 - 45 - 90 Theorem)

(30 - 60 - 90 Theorem)

(30 - 60 - 90 Theorem)

Answer:
72z+176
Step-by-step explanation:
36z+28+8z+40+12z+60+48+16z=
36z+8z+12z+16z+28+40+60+48=
72z+176
Answer:
y = 3z -x^3
Step-by-step explanation: