7.2 times 4=28.8-10=18.8
she saves 18.8 dollars per week.
18.8 times 12=225.6
after 12 weeks she has saved 225.6 dollars
225.6 times 0.25=56.4
her grandparents giver her 56.4 dollars
56.4+225.6=282
she has 282 dollars
Answer:
1024pi cm²
Step-by-step explanation:
4pi(16)²
4pi256
1024pi

Solution in attachment :
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