If 3 men can paint 4 houses in 5 days , how many days does it take for 7 men paint 14 houses ??? help me plz

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

Do you mind if you guys me with this question i’m on number 8

Solve -.016x= -16. need solving this