Find the store's cost. Round to the nearest cent. 1. selling price: $25.50 2. selling price: $79.99
markup rate: 45% markup rate: 30%

3. selling price: $19.95 4. selling price: $95
markup rate: 75% markup rate: 25%

5. selling price: $64.49
markup rate: 10%

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?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?