Find the exact value of the expression.tan 105°
A. 2 + 
B. 
C. -2 - 
D. 
Answer: C
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Find 
by using the Chain Rule. Express your final answer in w = xy2; x = t + s, y = st2
A. 4s2t4 + 5s3t3 B. 5s2t4 + 4s3t3 C. 5s2t3 + 4s3t4 D. 5s3t4 + 4s2t3
Solve the problem.When making a long distance call from his landline, Martin pays $1.95 for the first three minutes. After that, each additional minute or portion of a minute costs $0.35. How many minutes can Martin call long distance if the cost is to be no more than $7.90?
A. up to 20 minutes B. up to 17 minutes C. up to 23 minutes D. at least 4 minutes
From the following credit card transactions, find the gross deposit and the discount fee paid at the rate given. Bob's Bicycle Shop pays a 4% discount fee on the gross deposit.??SalesCredits$139.16?$186.33?$35.67$75.24?$191.57?$28.88$74.17?$166.73?$20.35$111.49?$121.83
A. $1151.42, $46.06 B. $971.62, $38.86 C. $1066.52, $42.66 D. $981.62, $39.26
Solve the problem.A developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 212 feet of fencing and does not fence the side along the street, what is the largest area that can be enclosed?
A. 8427 ft2 B. 11,236 ft2 C. 5618 ft2 D. 2809 ft2