A square shape is divided into two rectangular shapes. Each of these two rectangular shapes is divided into 3 non-overlapping square shapes. Compute the sum of the perimeters of these six squares if the perimeter of the original square is 60 feet?

Use the distributive law to multiply. 3(4x + 5y + 6)

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.