Find measure 6
I’ve tried twice and can’t get it
Geometry

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read