Chris is making a table top from some leftover tiles. he has 9 tiles that measure 3 1/8 inches long and 2 3/4 inches wide. what is the area he can cover with these tiles?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?