Subtract these polynomials. (4x2 – X+6) - (x2 + 3) =
O A. 482 - 2x+3
O B. 5x2 - x + 9
O c. 3x2 – X+3
O D. 4x2 - 2x + 9

dont say C just becuase its chosen, i didnt mean to

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16