nico works in a lab and needs 30 liters of an 18% acid solution. He has two bottles of the same acid, one as a 10% and the other as a 25%.solution write and solve a system of equations and decide how many liters of the 10% solution and a 25% solution Nico should mix together to have 30 of an 18% solution

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

How is the number of vertices for a prism related to the name of the prism