You spin a spinner with four numbers on it, and flip a coin. Find the probability of the compound event. The probability of spinning a 3 and flipping heads is:

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!