Twenty stamps cost $8.40. how much does it cost to buy 5 stamps? answers: a. $2.10 b. $11.90 c. $4.20 d. $42.00

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

An angle that measures between 90 and 180° is called a(,

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?