Answer:
2nd one: AB = 6
Step-by-step explanation:
Because PQ is 4 (Pythagorean triples), you can prove that triangle PBQ is congruent to PAQ by HL. You can then say AQ is equal to 3 becasue of CPCTC. AQ+QB=AB, or 3+3=6. AB=6
If you would like to calculate 7 * 3/4, you can do this using the following steps:
7 * 3/4 = 21/4 = 5 1/4
The correct result would be 21/4.
In a right rectangle, we have:


For your exercice, hypotenuse=12
The exercise also inform the angle 60°, then:

Answer:
66
Step-by-step explanation:
(5 - 3)⁴ - 2(7) + 8²
PEMDAS
Parentheses first
(2)⁴ - 2(7) + 8²
Exponents
16 - 2(7) + 64
Multiply and divide from left to right
16 -14 +64
Add and subtract from left to right
2+64
66
1260
- 210
50
The ratio of voters to nonvoters is 210 to 50.