Write using exponential notation.4 ? 4

A. 24
B. 42
C. 2 ? 4
D. 43


Answer: B

Mathematics

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Restate the fact as indicated.The population of the United States in 2000 was roughly 280 million. Express this as the number of people per square mile. The land area of the United States is roughly 3,536,000 square miles.

A. 0.8 people per square mile B. 79 people per square mile C. 8 people per square mile D. 790 people per square mile

Mathematics

Find a solution for the equation. Assume that all angles are acute angles.sec(? + 12°) = csc(2? + 15°)

A. 15° B. 23.5° C. 19° D. 21°

Mathematics

Solve the linear equation using the addition property of equality.4 = r + 13

A. r = 17 B. r = -9 C. r = 9 D. r = -17

Mathematics

If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.

A. 5 B. 11 C. -5 D. 25

Mathematics