90/2=45
45/3=15
15/3=5
90=2*3*3*5=2¹*3²*5¹
Answer:
you are correct
Step-by-step explanation:
since this was a random sampling, there can be no source of bias.
85% of 40.
85/100 = .85
.85 * 40 = 34
Answer: 34
Answer: 5
Step-by-step explanation:
2w + 2L = perimeter
2w + 2(4) = 18
2w + 8 = 18
2w = 10
w = 5
Answer:
7
Step-by-step explanation:
2 ÷ 2/7
We use copy dot flip
2 * 7/2
2/1 * 7/2
Rewrite to make the math easier
2/2 * 7/1
7/1
7
1 * 7