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1.
A circle has a radius of 5 cm. What is the circumference? 1 point
Mark only one oval.
3.14
15.7 cm
30 cm
31.4 cm
Eye
How to solve it

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Write the equation in logarithmic form 8^x=64

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?