Simplify.
? 
? 
A. 
B. 405
C. 
D. 5
Answer: C
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Perform the indicated operation without the use of a calculator and express each answer in scientific notation.
A. 2 × 1015 B. 2 × 101 C. 2 × 10-15 D. 2 × 10-1
Multiply. Change any mixed number to an improper fraction before multiplying.1
× 14
A. 15
B. 98
C. 20
D. 14
Find the measures of two angles, one positive and one negative, that are coterminal with the given angle.-195°
A. 165°; -555° B. -735°; -555° C. 75°; -465° D. 165°; -375°
Solve the problem.The following scatter diagram shows heights (in inches) of children and their ages.Height (inches)
Age (years)What happens to height as age increases?
A. Height stays the same as age increases. B. Height and age do not appear to be related. C. Height decreases as age increases. D. Height increases as age increases.