Answer:
b=5
Step-by-step explanation:
2+b=7
Subtract 2 from each side
2+b-2=7-2
b= 5
Answer:

Step-by-step explanation:
Area of parallelogram =base x height
Area=20 x 8=160
Units=

Answer:
I say 20% but I may be wrong
Step-by-step explanation:
Using PADMAS really works
Answer:
25
Step-by-step explanation:
formula for triangle is (b*h)/2=A