Simplify completely: 5√162-3√18-4√98 a) 11√2 b) 8√2 c) 5√2 d) simplified already

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !