State the excluded values for each? 70v^2/100v

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers