Answer:
Step-by-step explanation:
(2b+-7)+5(b+-3)
Multiply 5 throughout the second parentheses
(2b-7)+(5b-15)
Add 2b and 5b
7b-7-15
Subtract -7 and -15
7b-22
Answer:
Step-by-step explanation:
56
Answer:
sorry to answer late but..
Step-by-step explanation:
= 
the wings of the real plane are 12 meters or 1200 cm
we want to solve for the scale, sooo do the algebra...get scale by it self..
real *
= scale
1200 *
= 16
The scale model wings are 16 cm 2.54 cm is one inch so the wings are approx. 6.3 inches
Answer:
a = 15
Step-by-step explanation:
6 + 9 = 15
a = 15
15 - 6 = 9
yes
Answer:
Maybe 0.6
Step-by-step explanation: