Question

7

A section of a rectangle is shaded.
7
The area of the shaded section is 63 square units. What is
the value of x?
9 units

11 units
18 units
21 units​

Answer 1

9 Unites. 18 is too even. 11 won't multiply to 63, and 21 only multiply to 63 if it is being multiplied by 3. 9×7 is 63. so the answer is A.