How do I solve this arithmetic sequence?

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

Graph the linear function using the slooe and y intercept