Consider the equation a + b = c − d/2
when solved for each variable. Choose all that are correct.
a = 1/2(−2b + c − d)
b = 1/2(−2a + c − d)
c = 2a + 2b + d
d = −2a − 2b + c

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo