from a JH teacher to Dennis BRAVO!!

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: : : 1) The volume of a cone is V= 1/3 Pie r squared. Rewrite th formula for H in tems of V nd R?? please show the steps please.. : : : 2) If A is directly proportional to the cube of b, write the equation. : : : 11) Mrs Johnon is 3 times as old as her son. Ten years ago she was 5 times as old as her son was then. Find Mrs Johnon's present age? : : : : : : 12) John in 5 years older then Mary. Ten years from now,the sum of their ages will be 39. How old is John now? : : : 13) Jaime has a 15% discount coupon for Foleys Red apple Sale. If se buys a shirt for $25 and jeans for $35 (regular price), write an equation that show the : : : A) discount she would get : : : b) amount she would pay with the discount coupon : : : 14) a) If y varies directly as x and y=-16 when x=2 find y when x=-12 : : : b) If y varies directly as x and y=-12 when x=-18, find x when y=24 : : : 16) write variation equaion for the following: : : : a) intesity I of lightvarie inversely as the square of the observers distance d from the light source : : : b) price of pizza p varies diectly with the square of its diameter : : : 20) one number is twice another #. If u take one-fourth of the lesser # and subtract it from the greater # u get 21 find the leser # and the greater #?? : : : 21) Rent--Truck's rates are $50 per day plus $0.50 per mile and Sam's U-Drive's are $70 a day plus $).45 per mile. : : : a) Find the mileage at which the cost for the two will be the same? : : : b) what is the cost? : : : c) when should u rent from rent a truck rather than Sams u-drive? : : : D) When should u rent rom Sams U-drive rather than Rent a truck? : : : PLEASE EXPLAIN AND SHW ME HOW U GOT THE ANSWERS PLEASE!!!!

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