A multiple-choice test has 28 questions and 3 choices for each question. If a student is totally unprepared and guesses on each question, what is the probability that she will answer 15 questions correctly? Round your answer to four decimal places.
?
A. 0.0067
B. 0.0134
C. 0.0089
D. 0.0149
E. 0.0206
Answer: B
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Simplify the expression.30
A. Exponent: 0, base: -3 B. Exponent: 0, base: 3 C. Exponent: 3, base: 0 D. Exponent: 1, base: 1
Use the graph of y = f(x) to state the value of the requested quantity if it exists.lim f(x)x ? 1+
A. 2 B. 0 C. does not exist D. 1
Calculate the area of the region bounded by the graphs of the given equations.y = x2 - 5x + 4, y = -(x - 1)2
A. 
B. 
C. 
D. 
Refer to the following recipe to answer the question. Give your answer as a mixed numeral. Grandma's Fork Cookies 1 src="https://sciemce.com/media/4/ppg__10622192216__f1q160g6.jpg" style="vertical-align: -17.0px;" /> tsp vanillaCream sugars and shortening. Beat in remaining ingredients. Add flour to stiffen like regular cookie dough. Roll into balls, then flatten with a fork. Cook until brown.Find the amount of white sugar needed if you take 
cup brown sugar 1
cup white sugar 1
cup shortening 1 pinch salt 3 eggs 2
tsp soda 2
tsp cream of tartar 1
times the recipe.
A. 3 cups
B. 3
cups
C. 3
cups
D. 3
cups