Theo gets 2 stars for every 5 correct answers he gives. what is the minimum number of correct answers theo must give if he wants 12 stars?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Aof 12 , we to a of 4 to on a .of 4 be ?

In each diagram, line p is parallel to line f, and line t intersects lines p and f. based on the diagram, what is the value of x? ( provide explanation)