Simplify the expression. Write the result using positive exponents only.-5-4
A. - 
B. 
C. -625
D. 625
Answer: A
Mathematics
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Translate the sentence into an equation. Use x to represent the unknown number. A number divided by 4, minus 5, results in 4.
A. 
- 5 = 4
B. 5 - 
= 4
C. 
- 5 = 4
D. 
= 4
Mathematics
Find an equation for the graph.
A. y = -5 cos 
B. y = -5 cos (2x)
C. y = -5 sin 
D. y = -5 sin (2x)
Mathematics
Solve the equation.17 - 
x = - 
x + 17
A. 10 B. no solution C. 0 D. all real numbers
Mathematics
Solve the problem by estimating.Paul travelled for 3 weeks in Africa last year and spent $978 while he was there. Estimate the average amount he spent each day. Round the number of days to the to the nearest ten and the amount of money spent to the nearest hundred.
A. $60 B. $500 C. $600 D. $50
Mathematics