I don’t know I just need points lol
Answer:
13
Step-by-step explanation:
Combine (subtract) 3n and 2n to get 1n or n. Then you have n -5n =10n add 5n to 10n to get 15n. divide the 15 from n and your answer is n=15
Answer:
D. 5
Step-by-step explanation:
The congruence of S'T' with ST tells you ...
9 = x +7
2 = x
The congruence of S'U' and SU tells you ...
4x = y +3
4·2 -3 = y = 5 . . . . substitute the value of x; subtract 3
Respiratory on the first one