Devin found the parabola that fits the three points in the
table to be y = 0.345x2 − 0.57x − 2.78.
Is Devin correct? Explain

The measure of the angles of triangle abc are given by the expressions in the table. angle-measure a-48 degrees b-(6x-28)degrees c- (2x) degrees find the value of x. then find the measures of angles b and c. enter your answers in the boxes. x= m m

If f(x) = 3-2x and g(x) =1/x+5 to what is the value (f/g)(8)

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?