Solve the problem using the quadratic formula.The width of a rectangular computer screen is 3 inches more than its height. If the area of the screen is 238 square inches, find its dimensions.
A. 13 in. by 18 in.
B. 14 in. by 17 in.
C. 28 in. by 8.5 in.
D. 15 in. by 16 in.
Answer: B
Mathematics
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Factor the polynomial completely.16x2 - 81
A. (4x + 9)(4x - 9) B. (16x + 1)(x - 81) C. (4x + 9)2 D. (4x - 9)2
Mathematics
Solve.You park your car in a pay lot. Because you have a coupon, you get the first 
You pay for an extra 2
hr. How long can you park?
A. 7 hr 15 min B. 6 hr 15 min C. 7 hr D. 6 hr 75 min
Mathematics
Solve the three-part linear inequality. Graph the solution set on a number line, and express the solution using interval notation.3 ? 
x - 2 < 13
A. [4, 12)
B. (4, 12]
C. (4, 5]
D. [4, 5)
Mathematics
Write the augmented matrix for the system.
A. 
B. 
C. 
D. 
Mathematics