Answer:
10
Step-by-step explanation:
68.362/7.12
Multiply the top and bottom by 1000
68362/7120
Rounding to the nearest 1000
70000/7000
10
The answer is the first one (A.)
30 and 13
x-y=17 and x+y=43
x=17+y and x=43-y, so 17+y=43-y
so y=13
43-13=30, so x=30 and y=13
Answer:
3
x
2
+
2
x
−
2
Step-by-step explanation:
B.......,.,.,.,,..,,.,.,.