Silver for x
-3 - (-8) - (-2) = x
Switch the equation to make x on the right
x = -3 - (-8) - (-2)
x = 5 - (-2)
x = 7
• A negative minus a negative will always evaluate to a positive.
• A positive minus a negative will always evaluate to a positive.
Answer:
(C) 38 cm²
Step-by-step explanation:
Top length = 6 cm
Bottom length = 5 + 8 = 13 cm
Area
= 1/2 ( 6 + 13) (4)
= 1/2(19)(4)
= 38 cm²
Answer:
0.0025
Step-by-step explanation:
:)
Answer:
42 degrees
Step-by-step explanation:
180-138 = 42
angles 1, 2, and 5 are all 139 degrees
angles 7, 3, 4, and 6 are 42 degrees