Solve. Round to the nearest tenth when necessary.The zoo has hired a landscape architect to design the triangular lobby of the children's petting zoo. In his scale drawing, the longest side of the lobby is 11 cm. The shortest side of the lobby is 2 cm. The longest side of the actual lobby will be 38 m. How long will the shortest side of the actual lobby be?
A. 209 m
B. 0.1 m
C. 6.9 m
D. 2.1 m
Answer: C
Mathematics
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Mathematics
Subtract.(7b2 + 2b + 7) - (-9b2 - 2)
A. -2b2 + 4b + 7 B. 16b2 + 2b + 9 C. -2b2 + 2b + 5 D. 16b2 + 4b + 7
Mathematics
Find the requested function value.Find (g ? f)(-5) when f(x) = -9x - 5 and g(x) = 9x2 - 9x - 1.
A. -2426 B. 4 C. 14,039 D. -1
Mathematics
y?? ?16y? + 64y = 0 2
What will be an ideal response?
Mathematics