It costs twelve dollars to get in to the fair. tickets for rides cost extra and are d dollars each. if tyra buys 20 tickets, how much would it cost her for the fair? a. $12 - 20d b. $12d + 20 c. $12 + 20d d. 20d - $12 i got c

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Which expression is equivalent to the expression shown?