Of 10 students surveyed in the school, seven take to summarize their favorite season. If a total of 350 students in summer was their favorite season, how many students are in school?

A. 500
B.50
C.800
D.80

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

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