3(2x+5)=39 9(x+3)=4x-3 -4(8+5n)=8 15(a+2)=6-9a 18x-(8x-7)=67 8(-2c-4)+12=-52 6(3x-5)=25+7x -2(5+6m)+16=-90 3d+8(2d-6)=2+14d 2(6y+3)=18-3(16-3y) PLEASE HELP ME NEED THIS IN TN

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Find a parametrization for the curve「and determine the work done on a particle moving along γ in r3 through the force field f: r^3--r^3'where f(x,y,z) = (1,-x,z) and (a) im (γ) is the line segment from (0,0,0) to (1,2,1) (b) im (γ) is the polygonal curve with successive vertices (1,0,0), (0,1,1), and (2,2,2) (c) im (γ) is the unit circle in the plane z = 1 with center (0,0,1) beginning and ending at (1,0,1), and starting towards (0,1,1)

Will positive numbers always have a higher absolute value than negative numbers?