A:variables because a variable is a symbol for a number you don’t know yet
Answer: -4
Step-by-step explanation:
-1.5(4-r)=-12
Divide both sides by -1.5
4-r=8
-r=4
r=-4
Therefore, the value of r is -4
Answer:
Step-by-step explanation:
the shape is a parallelogram => angle E = angle G & angle F= angle D;
=> 11x-2=132
11x=134
x=12,(18)degree
A = 1/2 (base * height)
A = 1/2 [(x^2 + 2x + 4)*(<span>2x^2 + 2x + 6)]</span>