The total amount she has the 15 dollars times the number of weeks she has been saving, since she earns $15 per week. Then her grandma gave her $50, it is constant and doesn't change no matter how many weeks have passed. 15n represents her savings and 50 represents the money her grandma gave her.
a = 15n + 50
Answer:
Negative. Negative numbers don't have real square roots since a square is either positive or 0. The square roots of numbers that are not a perfect square are members of the irrational numbers
Answer:
x = 3
b³
Step-by-step explanation:
when you multiply numbers with the same base, you add the exponents. you can do this for both the top and bottom equations on the fraction.
b¹ × b⁷ = b⁸
b³ = b² = b
when you divide numbers with the same base, you subtract them.
b⁸ ÷ b⁵ = b³
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