Plsss quickly worth 20 pts
3.1 times a number is 3.379.

let x represent the unknown number.

which pair of equations are both true?

a. 3.1x=3.3793.1x=3.379 and x=1.09x=1.09

b. 3.379x=3.13.379x=3.1 and x=1.09x=1.09

c. 3.1x=3.3793.1x=3.379 and x=10.4749x=10.4749

d. 3.379x=3.13.379x=3.1 and x=10.4749x=10.4749

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?