Truee is right you got it dude
7(3a + 12) = 168 ← ( divide both sides by 7 )
3a + 12 = 24 ← ( subtract 12 from both sides )
3a = 12 ← ( divide both sides by 3 )
a = 4
OR
distribute the parenthesis by 7
21a + 84 = 168 ← ( subtract 84 from both sides )
21a = 84 ← ( divide both sides by 21 )
a = 4
1.Y=20
2. THE NUMBER GETS BIGGER
HOPE THIS HELPS AND PLEASE MARK ME AS BRAINIEST AND ADD ME AS FRIEND
Answer is number d
volume = area × height
= 750 × 25 = 18750 cubic in
