Answer:
The equation has infinite solutions
Step-by-step explanation:
Linear equations can have zero, one or infinite solutions.
If Emma tested two values (3 and 5) for the same equation and they were both true solutions, this means that the equation has more than one solution.
If a linear equation has more than one solution, than the equation has infinite solutions.
Answer:
450
Step-by-step explanation:
60 x 7.5=450
a²+b² = c² where a and b are legs and c is the hypotenuse
So...
a²+4²=13²
a²+16=169
a²=153
a=√153
answer: approx. 12.37 units