Ateacher had 21 red pens. if the ratio of red pens to blue pens she owned 3: 1, how many pens did she have total?

Which fraction below is equivalent to 10/12?

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so