In order to make 500mL of 15% saline solution, how much of a stock supply that is 10% would you need to start with?
A. 750mL
B. 333mL
C. 150mL
D. cannot be done
Answer: D
Mathematics
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Find the opposite of the integer.-24
A. -1 B. 24 C. 0 D. -24
Mathematics
Calculate.
× 14.9
A. 9.2231 B. 9.3125 C. 9.2976 D. 9.3274
Mathematics
Solve the problem.Instruments on a satellite measure the amount of power generated by the satellite's power supply. The time t and the power P can be modeled by the function P = 50e-t/300, where t is in days and P is in watts. How much power will be available after 378 days? Round to the nearest hundredth.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the inequality and give the solution set.|x + 9| ? 0
A. {t|9 ? x ? -9}
B. {9}
C. 
D. {-9}
Mathematics