Answer:
7
Step-by-step explanation: calculate the prime factors of 7 and 21, than find the greatest common factor
56 is equal to the product of 7 and 8 hope it helps!
(8x-5)(2x+1)
Check: 16x^2+8x-10x-5
16x^2-2x-5
Answer:
39
Step-by-step explanation:
Total interior angle of a triangle equal to 180. [180-102]/2
Answer:
fraction of the wall is limestone is 4/22
or 2/11 as a reduced fraction
Step-by-step explanation:
fraction of the wall is limestone is 4/22
the width is 22 in total
10 inches concrete = 10/22
8 inches brick : 8/22
4 inches limestone : 4/22
10/22+8/22+4/22=22/22=1
