(SAT Prep) For the figure, which of the following is true? I. m∠1+m∠2=m∠6+m∠5
II. m∠1+m∠3=m∠6+m∠4
III. m∠1+m∠3+m∠6=m∠2+m∠4+m∠5

A. I only
B. I and II only
C. II only
D. II and III only

Which problem would you use the following proportion to solve for? 24/x = 40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?