20-13=7, 21-12=9, 7*9=63; 20*12=240; ANSWER: 63+240=303
Answer:
42.25 units²
Step-by-step explanation:
The perimeter of a square is P = 4s.
26 = 4s
26/4 = s
6.5 = s
The side length of the square is 6.5 units.
The area of a square is A = s²
6.5²
= 42.25
The area of the square is 42.25 units².
Answer:
10000
Step-by-step explanation:
10 has 1 zero. 1000 has 3 zeros. Put these zeroes together to get 0000. Add one to the left, and you get 10000.
Answer:
She will use 5 sheets of her album, one of the sheets will only have 5 photographs
Step-by-step explanation:
