If postage costs $.54 the 1st ounce and $.22 for each additional ounce calculate the cost of mailing a 10 ounce envelope. a. $5.40 b. $2.20 c. $5.08 d. $2.52

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?