Combine like terms. what is a simpler form of the expression?
-3(-4y + 3) + 7y
a. 19y - 9
b. 10y
c. -19y - 9

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?