Sara bought 4 kg 800 g of wheat, 6 kg 450 g of rice and 3 kg 280 g of sugar. Find the total weight of her purchases.

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?