A ruler or tape measure would work. The units would depend, in part, on the size of the rectangle. English units of inches or feet would be the norm, unless you usd a meter stick. In that case, likely you would measure in centimeters or meters.
Answer:
a)7x-3x
b)4+28y
Step-by-step explanation:
first one follow bidmas
2nd one just do 4 times 1 =4 and 7y times 4 equals 28y
Answer:
c
Step-by-step explanation:
Answer:
14 is the mean of boys
Step-by-step explanation: