Determine the coordinates of the focus and the equation of the directrix of the parabola.x2 = -4y
A. F(0, 1), y = -1
B. F(0, -1), y = 1
C. F(0, -1), y = -1
D. F(-2, 0), x = 1
Answer: B
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Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent.A store manager paid $50 for an item and set the selling price at $70.00. What was the percent markup based on cost?
A. 42% B. 40% C. 41% D. 28%
Refer to the following recipe to first estimate the answer and then use multiplication or division to find the exact answer. Simplify. Old Grandma's Fork Cookies 1
cups brown sugar 1
cups white sugar 1
cups shortening 1 pinch salt 3 eggs 2
tsp soda 2
/> tsp cream of tartar 1
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.If the recipe is tripled, how much soda will be needed?
A. Estimate: 9 tsp
Exact: 7
tsp
B. Estimate: 9 tbsp
Exact: 7
tbsp
C. Estimate: 6 tsp
Exact: 6
tsp
D. Estimate: 7
tsp
Exact: 9 tsp
Use a calculator to solve the equation on the interval [0, 2?). Round the answer to two decimal places.sin x = -0.33
A. 0.34, 5.94 B. 0.34, 3.48 C. 0.34, 1.91 D. 3.48, 5.95
Let A = {0, 2, 4, 6, 8, 10}, B = {0, 3, 6, 9}, C = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, and D = {0, 4, 8}. Answer True or False to the statement.D ? D
A. True B. False