186cm
You add all the sides up, so 42+42+51+51 which equals 186cm
Replace all values of x as 4
f(4)=1/2(4)+5
f(4)=4/2+5
f(4)=2+5
f(4)=7
Hope I helped :)
$3.75 would be rounded up and changed to $4
124 inches of a frame is the required amount. 31 times 4 is 124.
