Question 3 You write 75. 7-9 = 7-4. Keisha challenges you, "Prove it!" Show directly why your answer is
correct without referencing the laws of exponents for integers; in other words, xq .xb = xa+b for
positive numbers x and integers a and b.

Classify the following number. −9.070707…

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?