Answer:
2(a - 2b)
Step-by-step explanation:
2 is a common factor of 2a - 4b. The a's and b's cannot be part of the common factor.
2(a - 2b) is the answer.
Notice that both sides of the minus sign are effected by the two being taken out.
Answer:
PS ≈ 8.3 in
Step-by-step explanation:
The arc PS is calculated as
PS = circumference of circle × fraction of circle , that is
PS = 2πr ×
= 2 × 3.14 × 6.48 × = ≈ 8.3 in ( to the nearest tenth )