How much of a 7% hcl acid solution needs to be mixed with how much of a 15% hcl acid solution so that you obtain 20ml of a 12% hcl solution?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.