Ming is making cookies. to make 30 cookies, his recipe requires 3 eggs. using this recipe, what is the total number of eggs he will need to make 120 cookies?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units