Answer:
= 4a + 3c + 13
Step-by-step explanation:
(9+4a)+(4+3c)
= 9 + 4a + 4 + 3c
= 4a + 3c + 13
Approximately 2 hours and 30 minutes
Give or take a few minutes
Answer:
28.27
Step-by-step explanation:
Answer:
3x+12
Step-by-step explanation:
Triple is 3 times a number which we will call “x” and sonce it is the sum, it is addition :)
Answer:
y = 8.9
Step-by-step explanation:
8^2 + y^2 = 12^2
64 + y^2 = 144
subtract 64 from both sides
y^2 = 80
square root both sides
y = square root 80
y = 8.9
