math
Jill bought a can of pop for .75 and jane bought a 6 pack.for 3.60 who got the best buy and why is it the best buy
science
10 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that is 0.010 M HC2H3O2 and 0.1 M C2H3O2-. What is the pH of the resulting solution?
science
What is the gravitational potential energy of a 2kg ball on planet earth raised 15 meters in the air?
Math
On a Christmas package, Audrey needs to use only 40-cent stamps and 16-cent stamps. If she uses twice as many 40-cent stamps as 16-cent stamps, how many of each type of stamp must she use to mail a package costing $5.76 in postage?
statistics
Settlement of two species of mussel larvae was studied. In a wave exposed location, a collector pad yielded 108 larvae of Mytilus trossulus and 72 of M. californianus. In a wave sheltered location, a collector pad yielded 54 larvae of M. trossulus and 16 of M. californianus. T...
statistics
Settlement of two species of mussel larvae was studied. In a wave exposed location, a collector pad yielded 108 larvae of Mytilus trossulus and 72 of M. californianus. In a wave sheltered location, a collector pad yielded 54 larvae of M. trossulus and 16 of M. californianus. T...
Statistics
Lead (Pb) concentrations were measured in waterfowl eggshell samples from two locations. In n1 = 41 samples from a location downstream from a paper mill, the mean Pb concentration was 1 x = 0.13 ppm with a standard deviation of s1 = 0.04 ppm. In n2 = 31 samples from a location...
Statistics
Lead (Pb) concentrations were measured in waterfowl eggshell samples from two locations. In n1 = 41 samples from a location downstream from a paper mill, the mean Pb concentration was 1 x = 0.13 ppm with a standard deviation of s1 = 0.04 ppm. In n2 = 31 samples from a location...
Science
5.00 ml of 1.90M HCl is diluted to 0.400l. calculate the pH of the HCl?
nervous system
The pulmonary circuit and the ________ circuit make up the blood vessels of the body. A. Flexible B. Systemic C. Blood D. Capillary c?
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