Jenny is 12 years older than Nancy. Five years ago Jenny was three times as old as Nancy. How old is each now?
1 answer:
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Answer:
a = 12
Step-by-step explanation:
Convert element into fraction : 3= 3/1
Cross multiply
Hello!
(7x²y³)(3x⁵y⁸)
Multiply by ADDING exponents with the same base:
(7 * 3) (x² * x⁵) (y³ * y⁸)
21 * x² ⁺ ⁵ * y³ ⁺ ⁸
Simplify:
21 * x⁷ * y¹¹
21x⁷y¹¹