a business executive bought 40 stamps for $14.40. The purchase included 39 cent stamps and 24 cent stamps. how many of each stamp were bought?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Find the value of x. give reasons to justify your solutions! c ∈ ae

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?