Round as indicated.250 to the nearest hundred
A. 200
B. 400
C. 300
D. 290
Answer: C
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Solve the equation.
- 
= 7
A. 42 B. 168 C. 56 D. 48
Solve the problem.The angle of reflection ? of a ray from air to a medium of index n is given by Snell's Law to be sin ? = 1/n. Find ? if n = 10/9.
A. 1.6° B. 64.2° C. 115.8° D. 25.8°
Solve the problem.The inequality |T - 40| ? 7.1 describes the range of monthly average temperatures T in degrees Fahrenheit at a City X. (i) Solve the inequality. (ii) If the high and low monthly average temperatures satisfy equality, interpret the inequality.
A. -47.1 ? T ? 54.2; The monthly averages are always within 
B. 32.9 ? T ? 47.1; The monthly averages are always within 
C. 37.3 ? T ? 42.7; The monthly averages are always within 
D. -42.7 ? T ? 45.4; The monthly averages are always within 
Translate to an equation. Do not solve.What is 10.3% of 62?
A. n = 62% × 10.3 B. n = 10.3% × 62 C. 10.3 = n × 62 D. n × 10.3% = 62