Find `34 - (-72 ) " and " (-72) - 34` . Are they equal ?

Find (b) 72 - (90)

Find the GCD of 72 and 60

Find the GCD of 72 and 60.

Find the HCF of 64 and 72

P(3,4), Q(7,2) and R(-2,-1) are the vertices of Delta PQR. Write down the slope of each side of the triangle.

P(3,4), Q(7,2) and R(-2, -1) are the vertices of PQR. Write down the slope of each side of the triangle.