Perform the indicated operation and express with the proper accuracy and precision. The first number given is approximate and the second number is exact. (Use calculator if needed).0.7446 + 13.5
A. 14
B. 14.2
C. 14.2446
D. 14.24
Answer: D
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Solve the problem.A car traveled 249 miles on 9
gallons of gas. How many miles per gallon did it get?
A. 27 mpg
B. 27
mpg
C. 27
D. 28 mpg
Write the vertex form of the equation of the parabola shown in the given graph. Assume a = ±1.
A. y = (x - 0)2 - 3 B. y = (x - 3)2 C. y = -(x - 0)2 - 3 D. y = (x - 0)2 + 3
Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.The surface area of a sphere is 4? times the square of the radius.
A. If S represents the surface area and r the radius, then S = 4?r2. B. If S represents the surface area and r the radius, then S = 4?r. C. If S represents the surface area and r the radius, then 4?S =r2. D. If S represents the surface area and r the radius, then S = ?r2.
Multiply. Use the special formula that applies.(p + 4q)(p - 4q)
A. p2 - 16q2 B. p2 - 8pq - 16q2 C. p2 + 8pq - 16q2 D. p2 - 8q2