Find the opposite of the number.- 3
A. - 
B. - 3
C. 
D. 3
Answer: D
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Find the area.
A. 250 cm2 B. 200 cm2 C. 760 cm2 D. 380 cm2
Estimate the answer to the problem.James' drive from home to work is 32 miles one way. If in a month he goes to work 22 days, then how many miles does he drive going from home to work and back in one month?
A. 1500 miles B. 900 miles C. 1750 miles D. 1200 miles
Solve the problem.The pH of a chemical solution is given by the formula pH = -log10[H+] where [H+] is the concentration of hydrogen ions in moles per liter. Find the pH if the [H+] = 6.7 x 10-1.
A. 0.17 B. 1.17 C. 0.83 D. 1.83
Below is given the plot of a vector field F in the xy-plane. (The z-component of F is 0.) By studying the plot, determine whether div F is positive, negative, or zero. Select the correct answer.
 figures 4.png)
a. cannot be determined
b. zero
c. negative
d. positive