Answer:
16
Step-by-step explanation:
64 divided by 4 is 16. Paul has 16 baseball cards.
-43 - 4r = 3 - 27r
Add 27r to both sides. -43 - 4r + 27r = 3 -27r + 27r or -43 + 23r = 3
Add 43 to both sides. -43 + 43 +23r = 3 + 43 or 23r = 46.
Divide both sides by 23 to get r by itself. 23r / 23 = 46 / 23 or r = 2
r = 2
Answer:
65 cm
Step-by-step explanation:
A= 1/2 bh
A= 1/2 (13 cm) (4 cm)
A= 65 cm