4. the graph of a line in the xy-plane has a constant
rate of change of 3 and contains the point (2,1).
the graph of a second line passes through the
points (2,11) and (8,- 1). if the two lines intersect
at the point (a, b), what is the value of 3a -b?

a: 4
b: 5
c: 6
d: 7

explain the answer

Find an equation for the linear function which has slope -10 and x-intercept -7

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?

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !