Answer:
Na20+H20 -> 2NaOH
Step-by-step explanation:
Answer:
248°
Step-by-step explanation:
y = 180°- 56°
= 124°
x = 124° because opposite angles of a parallelogram are equal
x + y = 124° + 124°
= 248°
Answer:
D. 16
Step-by-step explanation:
Do the division first
-16 ÷ (-4) = 4 then do the sum
12 + 4 = 16
