Provide an appropriate response.If a = 9, b = 12, and c = 15, express cos A as a fraction in lowest terms. 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Convert the units using unit fractions.8 days = 
hr
A. 192 B. 480 C. 56 D. 96
Mathematics
Express the number in scientific notation.253,000,000
A. 2.53 × 108 B. 2.53 × 10-8 C. 2.53 × 10-7 D. 2.53 × 107
Mathematics
Find the perimeter of the polygon described. Answer the question with a sentence.Karen's patio is in the shape of the trapezoid shown. What is the perimeter of the patio?
A. The perimeter of the patio is 312 m B. The perimeter of the patio is 43 m C. The perimeter of the patio is 30 m D. The perimeter of the patio is 80 m.
Mathematics
Solve the problem. Round to the nearest tenth, if necessaryThe part is 50 and the whole is 10. Find the percent.
A. 250% B. 500% C. 20% D. 50%
Mathematics