Answer:
The equation 2 x + 3 = x + x + 3 is an example of an equation that has an infinite number of solutions.
Answer:
First is congruent
Last two are not congruent
Answer:
m∠QPR = 25°.
Step-by-step explanation:
If m∠QPR = 9x + 16°, substitute in 1 for 'x':. 9(1) + 16 = 9 + 16 = 25°