3. Express the following algebraic expressions in standard form. 4. (x + 7)(x - 2) = 0
5. 2x(x + 1) = 12

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Ineed to know the answer to this algebra question.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels