Sarah’s hand length is 20 cm. she measures the dimensions of her rectangular floor to be 18 by 22 hand lengths. which of the following is the closest to the area of the floor? (a) 160 000 cm2 (b) 80 000 cm2 (c) 200 000 cm2 (d) 16 000 cm2 (e) 20 000 cm2

Find the balance at the end of 4 years if 1000 is deposited at the rate of

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

What are the sotions to the quadratic equation 9x^2=4