Margaret is selling wrapping paper for a fundraiser. she promisied to sell 90 rolls. if she has sold 2/3 so far, how many rolls has she sold? plz answer fast

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?