Solve the problem. Give an exact answer and an approximation to the nearest tenth.The diagram below shows the side view of a plan for a slanted roof. Find the unknown length in this roof plan.
A. 
ft = 205.0 ft
B. 
ft ? 8.2 ft
C. 
ft ? 20.2 ft
D. 
ft ? 5.1 ft
Answer: C
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Determine which state is more poorly represented.State A with a population of 383,537 and 11 representatives or state B with a population of 488,138 and 14 representatives.
A. State A B. State B C. The two have equal representation.
Solve the problem.Find the first term of a geometric sequence with seventh term 
and common ratio of 
A. 
B. 
C. 1
D. 
Solve the problem.The Gibralter Company loaned $7,843 for 60 days to the Hazen Company for the purchase of business supplies. The Gibralter Company sold the 7% simple interest note 44 days later at an 9% discount rate. Find the discount period and the discount.
A. Discount period: 16 days Discount: $31.01 B. Discount period: 104 days Discount: $206.30 C. Discount period: 16 days Discount: $31.74 D. Discount period: 16 days Discount: $31.30
A women's clothing chain takes inventory of one brand of sweater. The sweaters come in 3 sizes: small, medium, and large, and 5 colors. The inventories at stores A, B, and C are represented by the matrices below. 
A = 
; B = 
; C = 
Use the matrix operations on a graphing calculator to show that A + (B + C) = (A + B) + C.
What will be an ideal response?