n - 7 = 21, n= 28 should be right bc the difference of 28 and 7 is 21
we cant know if you dont show us a graph or something like that.
Answer:
A=2*(t-1)-500
Step-by-step explanation:
I did it on study island.
Answer: Area for trapezoid= 1/2(4+5×1)=4.5 m
Area of triangle= Iam not exactly sure
hope this helped you a bit
Step-by-step explanation:
Answer:
B. 17.899, 18.1, 18.31, 18.879
