Dr. star blanket gives a 20% discount if his customers pay cash for the office visit. determine the cause of a $65 office visit if the customer pays cash

52

Step-by-step explanation:

change percentage to decimal 20% = .2

65 x (1-.2) = 52

or

65 x .8 = 52

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.