math
I am having a hard time on the ACT with the math have bought several books trying to learn the math and need some help please take the ACT sat. and again on the 23rd have to get good score to start classes in august
sociology
How have families changed over time and what relationship does this have to population structure? Provide an example on one social institution that has been affected by these shifts in family composition?
chem biochem bio
You have the following stock solutions and solid chemicals in your lab: 1.5M NaCL 0.2M Tris buffer, pH 8.0 10 mg/ml Bovine serum albumin (BSA) MgCl2 (solid, anhydrous) MW = 95.211 g/mole (95% pure) How would you make 250 ml of the following solution??? 0.2M NaCl 0.05M Tris, pH...
math
If you have a class of 45 students and 15 are boys what is the percentage of boys in the class
math/hurry
there are 3 boys for every 4 girls.how many are boys in a class of 42?
math-calculus
Thank you! I initially thought the given rate of 12 cubic feet per minute was dr/dt.
math-calculus
A spherical party balloon is being inflated with helium pumped in at a rate of 12 cubic feet per minute. How fast is the radius growing at the instant when the radius has reached 1 ft?
math
jerrys planning a road trip. the scale on the map is 1 in = 150 miles. jerry has to go 8.3 in what is the distance jerry has to travel
sociology 101
which three of the most important sociological thinkers and use those ideas to explain the Senge, Hawken et al, and Kemmis readings
Physics
Find an expression in terms of M, mu, and theta for the speed of waves on the string.Express your answer in terms of the variables M, mu, theta, and appropriate constants. The picture shown is just of a block with mass m on an inclined frictionless surface at angle theta. the ...
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