Answer:
6.3 feet
Step-by-step explanation:
use pythagorean theorem
a² + b² = c²
a² + 3² = 7²
a² + 9 = 49
Subtract 9 from both side
a² = 40
Take the square root of both sides
a = 6.324555320336759
Rounded
a = 6.3
1.20 ÷ 4 = 0.30 per unit
Please mark as brainliest;)
Answer:y = 3x + 5 is a linear equation in two variables and it has infinite possible solutions.
