The solar panel on mandys calculator has an area of (7x^2+x)cm^2. factor this polynomial to find possible expressions for the dimensions of the solar panel

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Write the equation in logarithmic form m^x=n

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document