Select all the expressions that are equivalent to the expression below. 1.5(2a+b)-0.6(2a+b)

A. 0.9 (2a+b)
B. 3a+1.5b-1.2a+0.6b
C. 1.8a+0.9b
D. 3a+b-1.2a-0.6b
E. 3a+1.5b-1.2a-0.6b

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

5/6+7/8what is the answer sealsdbdbshd

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?