Answer:
Step-by-step explanation:
You add 10 more so it should be 19cm
Mark brainliest please:)
Answer:
9
Step-by-step explanation:
To solve this just take b (in this case 6x) divide it by 2 and then square it
which means that c=9
this will factor to (x+3)²
Answer:
C :)
Step-by-step explanation:
Step-by-step explanation:
When b = 5,
4b² = 4(5)² = 4 * 5 * 5 = 100.
