Kate spent $50 dollars. She is spending more money at a rate of $10 dollars per day. She wants to spend at most, $2,000 this month. Write the equation.

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2