Concert time
the composites are playing at a sold-out concert at the gopherdome, which holds 40,000 people. the concert starts at 8: 00 p. m. solve these problems and record your solutions, using clear and concise notation.

1 at 7: 00 p. m., 28,175 people are at the concert. how many people have not arrived yet?

2

a. by 7: 30 p. m., 9,590 more people have arrived. how many people are at the concert now?

b. how many people have not arrived yet?

3 by 8: 00 p. m., all but 1,642 people are at the concert. how many people are at the concert now?

Pls . yeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeet

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

Someone answer asap for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =