Lesson 6 practice problems
area (units?
2. a night triangle has
scale factor
ght triangle has an area of 36 square units.
36
if you draw scaled copies of this triangle
using the scale factors in the table, what
w the areas of these scaled copies be.
explain or show your reasoning.
2x36
if u answer i will give you the star brailest show work

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297

Using elimination, what is -4x+2y=-12 4x+8y=-24