Answer:
7 students.
Step-by-step explanation:
10% of 70 is 7.
Answer:
u^2-2u-15 = 0
Step-by-step explanation:
If you make the substitution ...
u equals x Superscript negative 1 Baseline
then you can rewrite the equation as shown above.
Answer:
1 it's a parabola
Step-by-step explanation: