Multiply.(-12)(-35)
A. 432
B. 420
C. 320
D. 4200
Answer: B
Mathematics
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Solve the problem.There are 7 essay questions on a test. Students must select 3 questions to write essays on. In how many ways can the 3 questions be chosen?
A. 42 B. 210 C. 33 D. 35
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 6
w = 12
Find zw.
A. 36
B. 36
C. 72
D. 72
Mathematics
Find the LCD for the fractions in the list.
, 
A. 24r3s4 B. 24r9s C. 24r9s4 D. 24r12s5
Mathematics
Solve the problem.To measure the width of a river, a surveyor starts at point A on one bank and walks 75 feet down the river to point B. He then measures the angle ABC to be 
Estimate the width of the river to the nearest foot. See the figure below. C
A75 ftB
A. 157 feet B. 32 feet C. 68 feet D. 36 feet
Mathematics