Selena earns 8% commission on sales. On one sale, her commission was $20.40. What was the amount of that sale?

A band leader randomly selects 2 students out of 80 band members. If you and your brother are both band members, what is the probability that you are both selected?

2 (x + 7) + 5x + 3 = 3 (x+1) + 6

Kathleen had a bag of candy-coated chocolates. Of the 60 candies in the bag, 20% were red, 30% were orange, 30% were green, and 20% were blue. Of the blue ones, 20% had a damaged candy coating.

How does 48 come from?

Two consecutive integers whose sum is - 29

Let ∠X and ∠Y be complementary. If sin (X) = 3/5 and cos (X) = 4/5. then what is the value of sin (Y) ? A) 3/5 B) 4/5 C) 5/4 D) 5/3

1) If three adult Americans are randomly selected, find the probability, rounded to three decimal places, that all three self-identify as Christian.

Todd plans to swim 18 laps in a pool. Each lap 50 yards. so far Todd has swam 738 yards what percentage of the total has Todd completed

Determine if the conclusion follows logically from the premises. Is this a valid or invalid argument? Premise: If it has an engine, I can fix it. Premise: Cars have engines. Conclusion: I can fix cars.

The factors of - 12 and - 1