Answer:
B. Stratified random sample is the correct answer
Hey could you please tell me how much marks it is for ?
Answer: Equation: 4 -2 ; estimate: a
little more than 2 inches; answer: 2
inches.
Step-by-step explanation:
" the sum " means add
21 + b = 30 <== ur equation
Answer: Check explanation.
Step-by-step explanation: I think its 0. Not sure. Hope this helped!