What is the measurement of angle D

HELP PLS

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

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