On friday, kelsey went to a local carnival. she bought a pretzel for $5 and played three games. on saturday, kelsey went back to the carnival and bought an ear of corn for $3 and played five games. if all the games cost the same amount to play, and kelsey spent the same amount of money each day, how much does each game cost to play?
a $1.00
b $1.25
c $1.50
d $2.00

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

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