7(x - 3) + 3(4 - x) = -8
7x - 21 + 12 - 3x = -8
7x - 3x = -8 + 21 - 12
4x = 1
x = 1/4
1/2 is simplest form.
Both 13 and 26 are factors of 13.
13 times 1 is 13 and 13 times 2 is 26.
So 13/26 = 1/2.
Answer:
30
Step-by-step explanation:
There are 6 ways the president can be chosen. Assuming the vice-president must be a different person, there are then 5 possibilities for that office. The total number of possible choices is ...
6 × 5 = 30
_____
Each of the 6 president choices can have any of 5 different vice-president choices.
Answer:
remember its a right angle so 90
Step-by-step explanation: