9.5
is the square root of 90
rounded to the nearest tenth
Answer: The graph of a quadratic function is called a parabola. ... There is an easy way to tell whether the graph of a quadratic function opens upward or downward: if the leading coefficient is greater than zero, the parabola opens upward, and if the leading coefficient is less than zero, the parabola opens downward.
Step-by-step explanation:
Answer:
there are varous answer to this problem but the equation is 30+n
just plug in any number for n and add 30.
Ex:
n=30
30+30=60
Ex:
n = 40
30+40=70
Hoped that helped:P