When peter ate lunch at a restaurant, his food bill was $13.25. the sales tax rate was 6%. peter left a 20% tip for the server. how much did peter pay altogether, including tax and tip?

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides