Find the sum.22 + [(-23) + (-21)]
A. 20
B. -22
C. 24
D. 66
Answer: B
Mathematics
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Solve the problem.If the area of the region at step 4 in the construction of the Sierpinski gasket is 8, then the area of the region in step 5 of the construction of the Sierpinski gasket is
A. 6. B. 8. C. 10. D. 0. E. none of these
Mathematics
Find the distance from (-10,2,-8) to the xy-planes. Select the correct answer.
a. 8 b. 16 c. 10 d. 2 e. 4
Mathematics
Solve the problem.Walt made an extra $10,000 last year from a part-time job. He invested part of the money at 7% and the rest at 6%. He made a total of $670 in interest. How much was invested at 6%?
A. $5000 B. $8000 C. $7000 D. $3000
Mathematics
Determine if the ordered pair is a solution to the given inequality.6x + 4y ? 40; (4, 4)
A. Yes B. No
Mathematics