Given that each edge measures 4 cm, find the total area of the regular tetrahedron.

A.


B.


C.


D.



Answer: D

Mathematics

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Provide an appropriate response.Which one of the following ratios is not the same as 1.3?(a) 13 to 10 (b) 1 to 3(c) 1.30 (d) 130 to 100

Fill in the blank(s) with the appropriate word(s).

Mathematics

Write a system of equations for the problem, and then solve the system.There were 34,000 people at a ballgame in Los Angeles. The day's receipts from  reserved seats and  general-admission seats were  How many of each type of seat were sold?

A. $12 seats: 20,000; $5 seats: 14,000 B. $12 seats: 24,500; $5 seats: 9500 C. $12 seats: 14,000; $5 seats: 20,000 D. $12 seats: 9500; $5 seats: 24,500

Mathematics

Graph the linear equation.2x - y = -4

A.

B.

C.

D.

Mathematics

Simplify.

A.
B.
C.
D.

Mathematics