True because their sum is 90 degrees.
Answer:
D
Step-by-step explanation:
Answer:
1n+2+3m
Step-by-step explanation:
1/2(2n+4+6m) Distributive property
2/2n+4/2+6/2m Simplify
1n+2+3m
25mm is the same as 2.5cm.
12+2
14
0.5+0.5
1
14+1
15
12 1/2cm + 25mm = 15cm
We can see from this survey that 7 teenagers prefer rock and roll.
The number of all teenagers in the survey is:
12 + 5 + 7 + 6 + 6 + 4 = 40
P ( rock ) = 7 / 40
Answer: C ) 7 / 40
