Ummm I think b orrr A good luck!
Answer:
15+2a
Step-by-step explanation:
7+a+8+a=15+2a
280,706 is the standard form
Answer:
Perimeter = 19.6 cm
Area = 9.3 cm squared
Step-by-step explanation:
Perimeter: Add sides: 3.1 + 9.3 + 7.2 = 19.6
Area: 9.3 x 2 x 1/2 = 9.3