PLEASE HELP!
Prove that ∠4 is greater than ∠7

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?