Photomath is a good one. So is KhanAcademy, but I don't know if they have an app version of the website.
Answer:
b = square root of 44 or approx. 6.6
Step-by-step explanation:
Answer:

Step-by-step explanation:
The y-intercept is [0, 1], so you draw a horizontal line through the line
, which is considered a zero <em>slope</em><em> </em>[<em>rate</em><em> </em><em>of</em><em> </em><em>change</em>].
I am joyous to assist you anytime.
You need to know these two formulas:

For example,

Answer:
16
Step-by-step explanation:
Input it in the calculator