Add the polynomials 2x^3-4x^2+7x+1 and -x^3+2x^2+3x-5

Timed***how else can the sequence for row 1 be written? notice: square a: 1 penny = 20 square b: 2 pennies = 21 square c: 4 pennies = 22 the sequence formed is geometric, with a1 = , and common ratio r = .

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120