area of rectangle = l×b
So, area of drawing = l×b = 8cm×4cm = 32cm²
Answer:
17
Step-by-step explanation:
Let a,b,c,d and e are five numbers
mean = (a +b+ c+ d+e)/5 = 30
⇒ (a +b+ c+ d+e) = 150_______(1)
now, Let the number excluded be a
then, new mean = (b+ c+ d+e)/4 = 28
⇒ (b+ c+ d+e)= 112
putting this value in (1),
⇒a + 112 = 150
⇒a = 150 -112 = 38
excluded number = 38
Positive 18, going off the assumption that the tick 2 spaces away from -1 is positive 9.
The worksheet pic is not clear
