What is the value of x when 2^x-7*5^x-4=1250

P= $1400,300 r = 7 1/2% t = 4 what is i ? $4.29 $429.00 $4290.00

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Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis