Line m has a slope of -1 over 5. what is the slope of a line that is perpendicular to line m?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

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: