Solve the problem.A boat goes 320 mi downstream in the same time it can go 240 mi upstream. The speed of the current is 
Find the speed of the boat in still water.
A. 35 mph
B. 56 mph
C. 40 mph
D. 30 mph
Answer: A
Mathematics
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Find the surface area of the surface S.S is the portion of the surface 
that lies above the rectangle 
and 
in the x-y plane.
A. 24[40 + ln 9]
B. 16[40 + ln 9]
C. 8[40 + ln 9]
D. 
[40 + ln 9]
Mathematics
Sketch the graph of the power function by hand, using a calculator only to evaluate y-values for your chosen x-values. On the same axes, graph y = x2 using a dotted line for comparison. In each case, x ? 0.f(x) = x2.3
A. 
B. 
C. 
D. 
Mathematics
Find the right part of the identity.
?
__________
?
A. cot ? B. cos ? C. csc ? D. sin ? E. sec ?
Mathematics
Write the equation in its equivalent logarithmic form.43 = 64
A.
| log464 = 3 |
B. log3 64 = 4
C. log64 4 = 3
D. log43 = 64
Mathematics