Solve the following simultaneous equations.
a + 3b = -10
2a + 3b = -11

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

step-by-step explanation:

jbjuiuhuhuuy