(06.05, 06.06 MC) In a study of the performance of a new engine design, the weight of 12 speed boats (in tons) and the top speed (in mph) were recorded. A regression line was generated and shown to be an appropriate description of the relationship. The results of the regression analysis are below. Depend Variable: Top Speed VariableConstantWeight Coefficient107.580.8710 s.e. of Coeff11.120.4146 t-ratio9.672.10 prob0.0000.062 R squared = 30.6% R squared (adjusted) = 23.7% s = 10.42 with 12 – 2 = 10 degrees of freedom Part A: What is the LSRL based on the analysis provided? Make sure to identify what the variables represent in the context of the problem. (4 points)Part B: What is the predicted value for the top speed of a boat if its weight is 4 tons? Show your work. (6 points)

(04.01 LC)  The number of apps a developer sells daily has the probability distribution represented in the table. Number of Apps, x 0 20 40 60 80 100 P(x) 0.05 0.25 0.18 0.12 0.3 0.1 If each app sells for $5.99, what is the expected daily total dollar amount taken in by the developer from the sale of apps? (3 points)

(05.06 MC) During an experiment, the percent yield of calcium chloride from a reaction was 85.22%. Theoretically, the expected amount should have been 113 grams. What was the actual yield from this reaction?CaCO3 + HCl → CaCl2 + CO2 + H2O

(05.05 MC) During a synthesis reaction, 3.2 grams of magnesium reacted with 12.0 grams of oxygen. What is the maximum amount of magnesium oxide that can be produced during the reaction?Mg + O2 → MgO

According to research, which of the following drugs is associated with violent behavior:

Whose work proved conclusively that spontaneous generation of life from nonlife was not possible?

You are seeing a 15-year old male patient for a well child visit and note that the child is living on a farm. It is important for you to remember the following:

Making drugs illegal eliminates future drug use.

State whether the given measurements determine zero, one, or two triangles. C = 37°, a = 16, c = 14 (5 points)

(05.05 HC) A chemist wants to extract copper metal from copper chloride solution. The chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (II) chloride. A single replacement reaction takes place. Which statement explains the maximum amount of copper that the chemist can extract using this reaction?