Solve the problem. Express the answer in scientific notation to two decimals.If the distance from the earth to the sun were 90,000,000 miles. How long would it take a rocket, traveling at 3.2 × 103 miles per hour, to reach the sun? (Round to three places)
A. 2.813 hr
B. 2.813 × 103 hr
C. 2.813 × 102 hr
D. 2.813 × 104 hr
Answer: D
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Provide an appropriate response.Determine which of the following is used to solve the inequality 
< c, for c > 0.
A. ax + b < c B. -c < ax + b < c C. ax + b < c or ax + b < -c D. -c < ax + b > c
Solve.The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 65 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 40 feet and 10-foot walls.
A. 400 quarts B. 4 quarts C. 40 quarts D. 8 quarts
Find an equation for the ellipse described.Focus at (-3, 0); vertices at (±5, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve for n in the proportion. If possible, first simplify the known fraction.
= 
A. n = 5 B. n = 3 C. n = 4 D. n = 2