Anne bought a necklace for each of her three sisters. she paid $7 for each necklace. suppose she had $9 left. write and solve an equation to find how much money anne had initially to spend on each sister.
i need it can't figure it out.

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.