At your lemonade stand you charge $0.50 for half a cup and $0.75 for a full cup At the end of the day you see that 12 cups had been used and you have made $8.00. How many of each size drink did you sell?

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge