A. ) Addition Property is the answer
C= 43(x-3)+128
the cost is 43 dollars per foot of the perimeter. It is unknown so we will use x for feet. we do not include the 3 feet of the fence so we have 43(x-3) so we do not count the length of the fence twice. The gate will be required and will cost 128.
Answer:
140
Step-by-step explanation:
4 * 4 =16
Right triangle is 10 because 5 *4=10
9 * 9 = 81
7*5=35
16 + 10 + 81 + 35= 142
142 rounded to the nearest ten is 140
Answer:
100>=500-15x
Step-by-step explanation:
He needs at least 100, so it's greater than OR equal to 100. He starts with 500 and goes down 15 each week. The x stands for the amount of weeks that are in the school year. Sorry for the terrible formatting on the greater than or equal to.