X^2 = 7^2 - 3^2
x = root40
He can use:
a quarter and a dime (difference: 15)
a quarter and two nickels (difference: 20)
a dime and three nickels (difference: 5)
two dimes and a nickel (difference: 5)
Subtract 41.58 by 9 then devide that number by 8.07 to get the amount of pounds purchased your answer is 6
/50 = /25•2
/25 • /2 further written as
5 • /2 simplified form
so A
4.39×10exponent 2 the answer is 439
