Solve the problem.Gary can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 34 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.
A. 7
mph
B. 7 mph
C. 4 mph
D. 4
mph
Answer: B
Mathematics
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Find the derivative of the function.s = sin 
- cos 
A. 
cos 
- 
sin 
B. - 
cos 
- 
sin 
C. cos 
+ sin 
D. 
cos 
+ 
sin 
Mathematics
Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.ln l
A. 1 B. 0 C. -1 D. e
Mathematics
Find the foci of the given hyperbola.
- 
= 1
A. (-3, -10), (-3, 0) B. (-10, -3), (0, -3) C. (-8, -3), (-2, -3) D. (-3, -8), (-3, -2)
Mathematics
Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.2(25t + 20) = 10(3t + 10)
A. Conditional; {3} B. Identity; {all real numbers} C. Conditional; {-7} D. Contradiction; ?
Mathematics