Bean plants grow rapidly. a bean plant is 16 inches tall. tomorrow it will be 24 inches tall, the next day it will be 32 inches tall, and on the next day it will be 40 inches tall. write a rule to represent the height of the bean plant as an arithmetic sequence. how tall will the plant be in 12 days? a. a(n)=16 +(n-1)8; 104 inches b. a(n)=16+(n-1)8; 116 inches c. a(n)= 16n; 192 inches d. a(n)= 12n; 144 inches

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )