ABCD is a rectangle. If AC=5x+2 and BD=x+22, find x.
How many families are found in the Phylum Arthropoda?
a lab technician draws a sample of blood. A cubic millitmeter of the blood contains 22^3 white blood cells and 22^5 red blood cells. What is the ratio of white blood cells to red blood cells?
a cannonball is fired straight up at 60m/s. how long does the flight last?
Algebra 1 (HELP PLEASE!!)
The United States Mint reported at the end of 2006 that the unit cost of producing and distributing a penny was 1.21 c. What percent of the value of a penny is this cost? What can you conclude about the cost of making pennies? How can a model help you to visualize the p...
A gas cylinder contains a mixture of carbon dioxide and oxygen, which have different molecular masses. The contents of the cylinder are in thermal equilibrium. Which of the following statements is correct? Question 1 options: A) All carbon dioxide molecules and all oxygen mole...
The latent heat of fusion of water is 3.34 x 105 J/kg. A farmer places a barrel containing 1000 kg of water in his barn one winter's night. When the water cools to 0oC, it begin to freeze. How much heat does the water give out while it is freezing until it has all become i...
I have to work out this equation for my college paper and I am having trouble understanding graphs, etc. The question is C=200+50 and C=300+25. Can anyone walk me through the steps on how to graph this?
TABLE 1 The general manager of a chain of pharmaceutical stores reported the results of a regression analysis, designed to predict the annual sales for all the stores in the chain (Y) measured in millions of dollars. One independent variable used to predict annual sale...
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