What is the equation of a line, in general form, with a slope of -2 and a y-intercept of 8?
a. x + 2y - 8 = 0
b. 02x + y - 8=0
c. 2x-y+8=0

What are the soultion(s) to the quadratic equation 40- x^2=0

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?