Answer:
Step-by-step explanation:
Given figure is of a rhombus.
Measures of the opposite angles of a rhombus are equal.
Therefore,

Answer:
y = 3x -13
Step-by-step explanation:
y = 3x + 7
-1 = 3(4) + b
-1 = 12 + b
-13 = b
y = 3x -13
Answer:
1.12
Step-by-step explanation:
Answer:
3003 cm³
Step-by-step explanation:
21cm × 13cm × 11 cm = 3003 cm³