Solve the given equation by finding the unknown value.5 ? ? = 90
A. 20
B. 19
C. 18
D. 21
Answer: C
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Write the negation of the quantified statement. (The negation should begin with "all," "some," or "no.")All ants are insects.
A. Some ants are not insects. B. All insects are not ants. C. No ants are not insects. D. Some insects are not ants.
Find the standard divisor for the given situation. Round your answer to two decimals.A university has 21 scholarships to be apportioned among the engineering students based on the enrollment in each department. There are three departments - Mechanical Engineering (M), Electrical Engineering (E), and Civil Engineering (C). The number of students in each department is given in the following table. 
A. 33.86 B. 37.95 C. 35.38 D. 32.52
Provide an appropriate response.Convert 
to a mixed or whole number.
A. 
B.
C. 
D. 
Find an equation for the ellipse described.Center at (0, 0); focus at (-5, 0); vertex at (8, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1