In a mix of pennies and nickels, there are 22 coins with a total value of 82 cents. How many nickels are there?
A. 11 nickels
B. 7 nickels
C. 8 nickels
D. 15 nickels
Answer: D
Mathematics
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Translate the phrase to an algebraic expression.four subtracted from eleven times a number
A. 11x - 4 B. 11 - x + 4 C. 4 - 11x D. 4 + 11x
Mathematics
Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 9x + 2
A. 9; 9 B. 9h; 9a C. 9x - 9h; 9x - 9a D. 9; 9x - 9a
Mathematics
Graph the quadratic equation.y = -x2 - 2x + 3
A. 
B. 
C. 
D. 
Mathematics
Assuming that (i) and (ii) are true statements, what conclusion can you deduce?(i) If x = 5, then x
3.(ii) x< 3
What will be an ideal response?
Mathematics