Angle 1 and angle 2 are complementary if m angle 4 = 39 find m angle 2

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

What is the radius of the cone in the diagram? round your answer to the nearest whole number

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.