Fourth grade is getting ready to take a field trip and need to get the buses ready. Each of the four buses can take 56 people. There are seven classes and each class has twenty students. How many fourth graders will fit on those four buses?

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

b.-4 units

all you   do is count how many times you move

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a