70
7-0=7
81 or 18
8-1=7
92 or 29
9-2=7
There would be $13410 because 4500 x 0.22 x 9 = 8910
4500 + 8910 = 13410
3x+x=y
3(-3)+(-3)=y
-9-3=y
-12=y
Therefore the value of x3+x is -12
Answer:
AB = 25 units
Step-by-step explanation:
In right triangle ACB,
Therefore, by geometric mean property:

AB = AD + DB
AB = 20 + 5
AB = 25 units
-l-7+3l = -|-4| = -4
Answer:
-4