Take the square root of 256 to find the side length of the mirror
√256 =16
the rectangles width is 16, it length is 2 inches longer
16+2 =18 so the length is 18
to find the area multiply them together
18x16=288
the area is 288 inches² :)
4$ would be the cost of the item
Answer:
3 percent
Step-by-step explanation:
convert to seconds
960 seconds to 930 seconds
30 seconds ÷ 960=3 per cent
Answer:
x=2.1
Step-by-step explanation:
4.2x+3=11.82
-3 -3
4.2x=8.82
/4.2 /4.2
x=2.1