What is the best estimate for 34 times 57

Find the quotient. 50a2 – 98b2 -5a +7b

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?