The cost of lollipops at Bulk Barn varies directly with the amount one buys. If Mary bought 1.3 kg of lollipops for $5.43, what is the rate of change?

Which of the following is correct interpretation of the expression -4+13

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.