Answer:
( 3x + 5y) • (3x - 5y)
Step-by-step explanation:
hope this helps:))
Answer:
1.
%K = 31.904%
%Cl = 28.930%
%O = 39.166%
2.
Hg = 80.69/ 200.59 = 0.40/0.2 = 2
S = 6.436/ 32.07 = 0.20/0.2 = 1
O = 12.87/ 16.00 = 0.80/0.2 = 4
Hg2SO4 is the empirical formula
Step-by-step explanation:
The top one shows they are parallel lines because it shows angles of both lines and the transversal
Answer: PEMDAS
parentheses
Exponent
Multiplication
Division
Addition
Subtraction
Step-by-step explanation: