Answer:
second one
Step-by-step explanation:
it is the second one , it has three expression starts with 5
when n=0 :2n+5=2(0)+5=5
n=1 : 2n+5=7
n=2: 2n+5=4+5=9
n=3: 2n+5=11
to estimate round the numbers to the closest values
21 can round to 20
118 can round to 120
120*20 = 2400 x 2 = 4800
Answer is A
Answer:
30 is 60% of 50.
Step-by-step explanation:
30 ÷ 60% = 50