Answer:
142 cm^2
Step-by-step explanation:
Okay, we can first break this down into 3 different rectangles.
3 x 5 rectangle
16 x 7 rectangle
3 x 5 rectangle.
From here, we just multiply these out and add them. 15 + 15 + 112 = 142. So our answer is 142 cm^2
42 no Mimis a mi mamá y no se me
Answer:
Step-by-step explanation:
We have to simplify the followings:
1) 
= 
{By distributive property of multiplication}
= (Answer)
2) 
= 
{By distributive property of multiplication}
= (Answer)
30 minutes = 5 puzzles
60 minutes = 10 puzzles
90 minutes = 15 puzzles
She will solve 15 puzzles in an hour and 30 minutes
