Select the correct answer.
which preposition or prepositional phrase best tompletes this sentence?
es necesario que reciclemos más
reducir la contaminación.
a. por ahora
b. por escrito
c. por
d. para

Which of the following are accepted without proof in a logical system? check all that apply.

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?