30. fund-raising the sophomore class holds a car wash to raise money. a local
merchant donates all of the supplies. a wash costs $5 per car and $6.50
per van or truck.
define a variable for the number of cars. define a different variable for the
number of vans or trucks.

i think the correct option is the second option.

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

c

step-by-step explanation:

answerim :

n

step-by-step explanation:

im not sure but my dad knows