Nina knows that the average of the x-intercepts represents the line of symmetry for a quadratic function through the x-axis. Whi
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This is how the first one would be done. sorry if it’s a little messy the answer is 9. but try using photomath for the rest. it gives you the answer and explains how to do it
-0.37 is negative thirtyseven-hundredths, so in a fraction that would be - 
. 37 is a prime number, so it isn't divisible by anything, meaning <span>- is in simplest form.</span>