Answer:
Perimeter = 30
Area = 30
Step-by-step explanation:





Double check:

Perimeter:

Area(
):
× 12 × 5 = 30
Answer:
4a^2 + 12ab + 9b^2.
Step-by-step explanation:
Use the identity (a + b)(a + b) = a^2 + 2ab + b^2 :
So
(2a + 3b)(2a + 3b)
= (2a)^2 + 2*(2a)(3b) + (3b)^2
= 4a^2 + 12ab + 9b^2.
Answer:
37.5
Step-by-step explanation:
37.5×144/100=54 the number is 37.5