Express the function in terms of its cofunction.tan 22°
A. cot 22°
B. cot 68°
C. cot 158°
D. tan 112°
Answer: B
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Suppose that Celia rides her bicycle 57 miles in 3 hours less time than it takes Tom to ride his bicycle 102 miles. If Celia rides 2 miles per hour faster than Tom, find their respective rates.
A. 12 mph, 14 mph B. 17 mph, 19 mph C. 19 mph, 21 mph D. 14 mph, 16 mph E. 21 mph, 23 mph
One of the values r (radius), d (diameter), C (circumference), or A (area) is given for a particular circle. Find the indicated value. Leave ? in your answer.d = 60 ft; C = ?
A. 120? ft B. 30 ft C. 120 ft D. 60? ft
Perform the indicated operation. Write the answer in scientific notation.(28.98 × 10-8) ? (6.670 × 10-6) Give the answer to four significant digits.
A. 1.93297 × 10-12 B. 1.9 × 10-12 C. 1.93 × 10-12 D. 1.933 × 10-12
Solve the combined inequality. Write the solution in interval notation.3 < 4b + 3 ? 19
A. [0, 4] B. [0, 4) C. (0, 4) D. (0, 4]