The missing number is 3, Find m

Quick! what is the area of this trapezoid?

Parks is wearing several rubber bracelets one third of the bracelets are tie-dye 1/6 are blue and 1/3 of the remainder are camouflage if parks wears 2 camouflage bracelets how many bracelets does he have on

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression