Answer:
michelle is 56 years old
Step-by-step explanation:
start with madeline you know she's 7, move on to fiona we know she is twice as old as madeline so we mulitply 7 times 2, we get 14. now we know fiona is 14 and in order to find michelles age we multiply times 4 because shes four time fionas age. 14x4=56.
Answer:
$11.25
Step-by-step explanation:
12/15=9/x
x=45/4
x=$11.25
Answer:
<em>48</em>
Step-by-step explanation:
AC = 10
DC² = 10² - 6² = 64
DC = 8
= 6 × 8 = 48
8th term=48114
Nth term = 22/3 x 3^n