Ok i need i ever tried several ways .

should i just subtract .

3and 1/2- 2/3

or should convert as nut gives me negative

7/2-2/3= 5/-1

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

2. there are 250 students in a school auditorium. use numbers from the box to complete the table. 16, 38, 18, 45, 25, 50, 32, 60 grade number percent of all students of students fifth 24 sixth 95 seventh 20 eight 45

One angle of a linear pair is 10 more than two-thirds the other angle. find the measure of both angles.