Answer:
If today is not Thursday, then tomorrow is not Friday.
Step-by-step explanation:
I presume this is the answer off other peoples responses on the same question elsewhere.... next time include the whole question.
A quadratic equation is one in which the highest exponent of x is 2.

is quadratic; the highest exponent is 2.
x³-3x²+1=0 is NOT quadratic. The highest exponent of x is 3, not 2.
5x-7=0 is NOT quadratic. The highest exponent of x is 1, not 2.
x²+3x-5=0 is quadratic; the highest exponent of x is 2.
x-5=9x+7 is NOT quadratic. The highest exponent of x is 1, not 2.
x²-x=3x+7 is quadratic; the highest exponent of x is 2.
Answer:
68km
22miles
240km
Step-by-step explanation:
Answer:
X= -15/7
Step-by-step explanation:
search up on photomath it's really useful