Write a system of two linear equations in x and y that has the ordered pair solution (4,3). Choose the correct system below.
A.
- 2x + y = 5
x-2y = 13
B.
- 2x + y = -5
x-2y = -2
C.
- 2x + y = 6
2x + y = -9
D.
{
- 2x + y = -5
x-2y = 2

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.