Tim and tom are trying to earn money to buy a new game system over a 3-month period. tim saved $45.56 each month. if they need a total of $214.50 to buy the game system, how much does tom need to earn each of the 3 months in order to buy the game system?

What is the rotational symmetry of a wheel

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c