The histogram shows the scores of each participant in a game from a total of 100 participants. 
How many participants scored fewer than 80?
A. 81 participants
B. 100 participants
C. 3 participants
D. 97 participants
Answer: A
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Solve the problem.A bird flies from its nest 3 km in the direction 3° north of east, where it stops to rest on a tree. It then flies 6 km in the direction 1° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the telephone pole located?
A. (2.996, 0.1570) B. (-5.999, -0.1047) C. (-3.003, 0.05229) D. (-6.212, 6.363)
Write the expression in the standard form a + bi.5i5(1 + i3)
A. 5 - 5i B. 5 + 5i C. -5 - 5i D. -5 + 5i
Solve the problem.Tee-Tops Inc. has warehouses in San Francisco and Oakland and some stores in Berkeley and San Jose. The Berkeley store needs 4000 tee shirts and the San Jose store needs 7000 tee shirts. The Oakland warehouse has 9000 tee shirts, whereas the San Francisco warehouse has 8000 tee shirts. The cost of shipping a tee shirt from Oakland to Berkeley is $0.05, from Oakland to San Jose $0.15, from San Francisco to Berkeley $0.03, and from San Francisco to San Jose $0.12. The number of tee shirts that are shipped from each warehouse to each store is chosen in order to minimize shipping costs.(a) Define the variables.(b) Write the system of linear inequalities used in solving the problem.(c) Write an algebraic expression for the objective function.
What will be an ideal response?
Solve. Write the fraction in simplest form.There are 3800 shoppers at a shopping mall. If 800 are male, what fraction of the shoppers are female?
A. 
B. 
C. 
D. 