Answer:
40000
hope this helped
Step-by-step explanation:
4(2k + j) = 8k + 4j
4(2k + j)
Distribute in the 4.
4 * 2k + 4 * j
Multiply 4 and 2k.
8k + 4 * j
Multiply 4 and j.
8k + 4j
Answer:28.3 cm2
448
4*2*7*8=448 different combinations