Simplify :- a). { ( 3/5)-² ÷ (5/3)² } + 5/3 b) (x/y)-² × (x/y)⁴ × (x/y)-¹

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give me correct answer else I will report u
this question is related to the grade 8 exponent and power

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

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