(-3.5t - 4s + 4.5) + (-7.1 - 0.3s + 4.1t)

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

The conversion factor relating feet to meters is 1 ft=0.305 m. keep in mind that when using conversion factors, you want to make sure that like units cancel leaving you with the units you need. you have been told that a certain house is 164 m2 in area. how much is this in square feet?

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