Answer:
C. 21%
Step-by-step explanation:
Please kindly check the attached file for explanation.
125+42= 167
180-167= 13 degrees
Triangles is always equaled to 180 degrees.
Answer: choice 3
I am pretty sure this is the answer
Answer:number of rows =10
number of places in row = 17
Step-by-step explanation:
number of rows =N
number of places in row = N+7
N(N+7)=170
N^2+7n-170=0
(N+17)(N-10)=0
N1=-17
N2=10
We can`t take negative value for quantity of smth so we throw N1 away
From that number of rows =10
number of places in row = 10+7=17
143 square inches <span> </span>