Use models to prove that 3(a+b) is equivalent to 3a+3b

Angle that produces maximum distance

Write the equations in logarithmic form 10^3=1,000

Carl is boarding a plane. he has 22 checked bags of equal weight and a backpack that weighs 4 \text{ kg}4 kg. the total weight of carl's baggage is 35 \text{ kg}35 kg.