Lee earned some money from a summer job. he saved ¼ of the money and spent ⅓ of the rest on a t-shirt. he then spent the remaining money on some cds. what fraction of the money was spent on cds? show your work. if the t-shirt cost $12.50, how much money did lee earn on the summer job? show your work.

Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)