On January 1st, the temperature at noon was 10.2℉. By midnight, the temperature had decreased by 13.5 degrees. What was the temperature at midnight?

What is the factored form of x2 − 4x − 5? (x + 5)(x − 1) (x + 5)(x + 1) (x − 5)(x − 1) (x − 5)(x + 1)

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?