2 x ? = 6 catfish. (?=3) so multiply everything by 3......3 x 3 = 9 angelfish!!
Half (or 26) of the cards are red, and the rest are black.
P(randomly selected card is red) = 26/52 = 1/2.
The expression for 8 times x is just 8x
Answer:
76
Step-by-step explanation:
Area of the pentagon: 342 cm2
Step-by-step explanation:
The figure of the pentagon is missing: find it in attachment.
The area of the pentagon can be seen as the area of 5 equal triangles, each of them having a base equal to the length of the side of the pentagon,
L = 14.1 cm
and the height of each triangle can be found by using Pythagorean's theorem:

The area of each of the 5 triangles is

Therefore, the area of the pentagon is 5 times this area:
Learn more about area of regular figures:
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