In a zoo, there are 3 male penguins for every 4 female penguins. there are 28 total penguins. how many are males? 9 12 16 21

What term makes it inconsistent y=2x - 4

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

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?