Mrs. brown had $30. she spent 3/10 of it on a t-shirt and 2/3 of it on a skirt. how much more did she pay for the skirt than for the t-shirt?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

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?

Determine which postulate or theorem can be used to prove that lmn =nmo