Answer:
1. (x+2y)^2-ab x^2+4xy+4y^2-ab
2. 3n-13<9 n<22/3
3. 6+n/7=4 n/7=-2
The laws of exponents I will be using are:
, and .
For the first part, .
For the second part, .
5 + t = 23
t = 23 - 5 = 18
Answer:
1/5
Step-by-step explanation:
probability = favorable outcomes/total outcomes
4, 8, 12 are multiples of 4, so there are 3 favorable outcomes.
There are 15 total outcomes.
Make the fraction
3/15
reduce by 3
1/5