Determine if the given value is a solution to the given equation.-9, 6c + 3 - 5c = -20 + 14
A. Yes
B. No
Answer: A
Mathematics
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Solve.A hill on a hiking trail goes up 57 feet over a distance of 159 feet. Find the grade of the hill.
A. 159
B. 
C. 
D. 57
Mathematics
Simplify the expression.
?
?
Write the answer without using negative exponents. Assume that all variables are restricted to those numbers for which the expression is defined.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
If a system of two equations has infinitely many solutions, then the lines representing these two equations: ___________________.
What will be an ideal response?
Mathematics
The two triangles below are similar. Find the missing length or lengths.
A. x = 7; y = 13 B. x = 12; y = 16 C. x = 10; y = 14 D. x = 22.5; y = 31.5
Mathematics