I know this is old question but i'd like to solve it :)
Answer:
Step-by-step explanation:
The expression shows the sum of two terms. The first term has coefficient 1. The second term is the product of 12 and x.
Mary will have Both swimming and diving lessons on January 14
Answer:
63 m
Step-by-step explanation:
Perimeter is 276, 2L + 2W = 276, so L + W = 138
L = 75
138 - 75 = W
63 m