Question

Jasmine is making a display board for the school talent show. The display
board is a 5 m by 3 m rectangle. If ribbon costs 5 per metre, how much will
it cost to add a ribbon border around the entire display board?

Answer 1

YOUR ANSWER IS IN THE PICTURE. HOPE IT HELPS. THANK YOU.

Answer 2

Step-by-step explanation:

For 10 observations if mean and variance of the series is 16 and 20 respectively then sum of square of all observation is ________. [A] 2760 [B] 4000 [C] 3600 [D] 4160