Answer:
25
Step-by-step explanation:
Hi
how are u in need points
Answer:
x² + x = 42
Step-by-step explanation:
Let the number be x then the square of this number is x²
Sum and equate to 42, that is
x² + x = 42
Answer:
A
Step-by-step explanation:
I feel it should be 30 because x represents the number of lessons, and 30 is multiplied by that.