Simplify the following expression
x^4+3x^3-2x^3-5x^2-x+x^2+x+1+7x^4
a. 8x^4+x^3-4x^2+0x
b. 8x^4+x^3-4x^2+1
c. 8x^4+5x^3+4x^2+0x+1
d. 8x^4+5x^3+4x^2+1

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Adeli owner keeps track of the to-go orders each day. the results from last saturday are shown in the given two-way frequency table. saturday's to-go deli orders in person by phone online total pick up 38 25 31 94 delivery 35 28 34 97 total 73 53 65 191 what percent of the to-go orders were delivery orders placed by phone? a. 14.66% b. 38.41% c. 28.87% d. 52.83%