Answer:
E. Not enough info.
Step-by-step explanation:
There could be 2 quarters 500 nickels and 7 pennies or 800 pennies 50 quarters and 2 nickels.
The answer is C . -7r^2 + 12r -8
Answer:
-7/12 in decimal form it would be -0.583
Step-by-step explanation:
convert the mixed number to an improper fraction
(when there's a + in front of an expression in parentheses the expression remains the same)
15/4+(-4 1/3)
convert the mixed number to an improper fraction
15/4-13/3
subtract the fractions to get -7/12