3 (25 pts). Suppose a car uses 4.5 gallons of gas travelling 115 miles. Determine how many gallons it would use travelling a distance of 260 miles.   4 (25 pts). Class A has 36 students and the ratio of boys to girls is 5 to 4. Class B has 39 students and the ratio of boys to girls is 6 to 7. What is the ratio of boys to girls in the combined classes?

From “separate but equal” to “inherently unequal,” different groups used collective action in their social movements to end Jim Crow laws and segregation in public spaces.  Please discuss two specific groups and their specific tactics that were covered in class and/or the lecture materials. Be sure to include (1) the name of the group, (2) what specific actions the group used, and (3) the outcome of those actions.  To receive full credit for this question, you must answer the prompt in its entirety. Partial credit will be given, with each component counting for 4 points total (2 points per group).  (12 points)

Consider the following test result. Normal Patient PCO2: 38 – 42 mmHg PCO2: 36 mmHg pH: 7.35 – 7.45 pH: 7.54   The lowered PCO2 result could be explained by_______ that results in a more alkaline pH than normal.

An immune cell encounters an antigen in the germinal center of a lymph node. The cell then begins multiplying and producing many antibodies to attack the pathogen. This immune cell would be a: 

The diagram shows a blood vessel, cells of a tissue, and the interstitial space between them.     The most abundant ion kept within cells would be:

To cause inspiration the volume of the lungs increases, which according to Boyle’s law will ______________ the intrapulmonary pressure.

Gustavo’s blood is typed with anti-A, anti-B, and anti-Rh antibodies. Agglutination occurs in the B well with the presence of anti-B antibodies, but does not occur in the presence of anti-A or anti-Rh antibodies. This indicates Gustavo’s blood type is:  

When you wish to understand a sentence, you must start with listening to the speech sounds that make up the words and phrases, decipher the meaning of each of the words and phrases, and eventually interpret the idea conveyed by the sentence. This is sometimes called a(n) ________.

Belinda sits down to take a psychology test and finds that it is a multiple-choice test. What type of thinking will be necessary for her to do well on the test?

Bea has just broken up with her boyfriend. She has a test in school on Friday, but try as she might, she cannot concentrate on her studies. In this example, Bea’s performance is being interfered with by an intense ________.