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In the junior class of a certain school, there are 24 more girls than boys . If the ratio of girls to boys is 5:4. which is the number of girls in the junior class ?

The junior class at Mooreland High is composed of boys and girls in a ratio of 5:1. All of the following could be the number of students in the junior class EXCEPT.

Differentiate between vacancy defect and interstitial defect.

Marisa needs to hire at least 10 staff members for an upcoming project. The staff members will be made up of junior directors, who will be paid $640 per week, and senior directors, who will be paid $880 per week. Her budget for paying the staff members is no more than $9,700 per week. She must hire at least 3 junior directors and at least 1 senior director. Which of the following systems of inequalities represents the conditions described if x is the number of junior directors and y is the number of senior directors?

At a school picnic, 1 junior and 1 senior will be selected to lead the activities. If there are 125 juniors and 100 seniors at the picnic, how many different 2 person combinations of 1 junior and 1 senior are possible?

Select the incorrect statements regarding AIDS from the following: I. AIDS is caused by a retrovirus have two molecules of single-stranded RNA as its genome. II. AIDS can be successfully treated using anti-retroviral drugs III. Macrophages act as a viral factory as it leads to the continuous production of new viral particles. IV. In AIDS, a decrease in B-lymphocyte count is seen.

Assertion: AIDS spreads by contact between the blood of an infected person and a healthy person. Reason: AIDS manifests as tumors or as pathogenic infections.

The confirmatory test used to diagnose AIDS is: