Answer:
(5.5,8.5)
Step-by-step explanation:
(8+3)÷2=5.5
(15+2)÷2=8.5
Answer: 21y-3
Step-by-step explanation:
3(7y-1)=
3(7y)-3(1)=
21y-3
Step-by-step explanation:
1.
36
2×18
2×9
3×3 therefore prime factorization is 2²×3²
2.
42
2×21
3×7 therefore prime factorization is 2×3×7
3.
48
3×16
2×8
2×4
2×2 therefore prime factorization is 2⁴×3
4.
27
3×9
3×9 therefore prime factorization is 3³