Plot the ordered pair in the coordinate plane. In which quadrant or on which axis does the point lie?(0, 5)
A. x-axis
B. y-axis
C. y-axis
D. Quadrant III
Answer: C
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Find the limit.
cos-1 x
A. 0 B. 1 C. ? D. -1
Use the two steps for solving a linear programming problem to solve the problem.A summer camp wants to hire counselors and aides to fill its staffing needs at minimum cost. The average monthly salary of a counselor is $2400 and the average monthly salary of an aide is $1100. The camp can accommodate up to 35 staff members and needs at least 20 to run properly. They must have at least 10 aides, and may have up to 3 aides for every 2 counselors. How many counselors and how many aides should the camp hire to minimize cost?
A. 19 counselors and 23 aides B. 13 counselors and 16 aides C. 13 counselors and 17 aides D. 8 counselors and 12 aides
Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
Express the number in scientific notation.870,000
A. 8.7 × 105 B. 8.7 × 104 C. 8.7 × 10-4 D. 8.7 × 10-5