Select all equations that can represent the question: “How many groups of 45 are in 1?” Group of answer choices

? • 1 = 4/5

1 • 4/5 = ?

4/5 ÷ 1 = ?

? • 4/5 = 1

1 ÷ 4/5 = ?

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

The experience c-0.25c can be used to find the cost of an item on sale for 25% off which expression beloit equivalent to c-0.25c