Answer:
The answer is 31.5
Step-by-step explanation:
Discount = Original Price x Discount %/100
Discount = 105 × 30/100
Discount = 105 x 0.3
You save = $31.50
Answer:
5x-10
Step-by-step explanation:
Answer:
5a + 2b
Step-by-step explanation:
9a + 3b -4a -b
9a - 4a + 3b - b
5a + 2b
Answer:
d. 60
Step-by-step explanation:
According to Gay Lussac's Law
P1/T1=P2/T2 where
P1= Pressure at the start, T1 = initial Temperature
, P2= Final Pressure, T2 =Final Temperature
T1=P1*T2/P2= 7*420/49=60