I really need help- 3a-2b=19
5a+8b=21

Transform these so that they can eliminate "as"

what should they do?

a

+2a

b

x15

x15

c

x3

x5

d

x5

x3

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.